Home / 19,019.34-26,245.44-10,521.09

Finding the Fourth Proportional to 19,019.34, 26,245.44 and 10,521.09

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Solution

The fourth proportional to 19,019.34, 26,245.44 and 10,521.09 is: 14,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.34 : 26,245.44 = 10,521.09 : x
  2. Step 2: Convert to fraction form
    19,019.34/26,245.44 = 10,521.09/x
  3. Step 3: Cross multiply
    19,019.34x = 26,245.44 × 10,521.09
  4. Step 4: Simplify right side
    19,019.34x = 276,130,636.33
  5. Step 5: Solve for x
    x = 276,130,636.33/19,019.34
  6. Step 6: Final answer
    x = 14,518.41

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Half scale
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Double scale
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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.