Home / 19,018.83-26,245.36-10,520.83

Finding the Fourth Proportional to 19,018.83, 26,245.36 and 10,520.83

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Solution

The fourth proportional to 19,018.83, 26,245.36 and 10,520.83 is: 14,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.83 : 26,245.36 = 10,520.83 : x
  2. Step 2: Convert to fraction form
    19,018.83/26,245.36 = 10,520.83/x
  3. Step 3: Cross multiply
    19,018.83x = 26,245.36 × 10,520.83
  4. Step 4: Simplify right side
    19,018.83x = 276,122,970.85
  5. Step 5: Solve for x
    x = 276,122,970.85/19,018.83
  6. Step 6: Final answer
    x = 14,518.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 19,019.83, 26,246.74 and 10,521.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.