Home / 19,018.62-26,245.14-10,521.08

Finding the Fourth Proportional to 19,018.62, 26,245.14 and 10,521.08

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Solution

The fourth proportional to 19,018.62, 26,245.14 and 10,521.08 is: 14,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.62 : 26,245.14 = 10,521.08 : x
  2. Step 2: Convert to fraction form
    19,018.62/26,245.14 = 10,521.08/x
  3. Step 3: Cross multiply
    19,018.62x = 26,245.14 × 10,521.08
  4. Step 4: Simplify right side
    19,018.62x = 276,127,217.55
  5. Step 5: Solve for x
    x = 276,127,217.55/19,018.62
  6. Step 6: Final answer
    x = 14,518.78

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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.