Home / 19,402.18-29,064.94-15,221.36

Finding the Fourth Proportional to 19,402.18, 29,064.94 and 15,221.36

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Solution

The fourth proportional to 19,402.18, 29,064.94 and 15,221.36 is: 22,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.18 : 29,064.94 = 15,221.36 : x
  2. Step 2: Convert to fraction form
    19,402.18/29,064.94 = 15,221.36/x
  3. Step 3: Cross multiply
    19,402.18x = 29,064.94 × 15,221.36
  4. Step 4: Simplify right side
    19,402.18x = 442,407,915.12
  5. Step 5: Solve for x
    x = 442,407,915.12/19,402.18
  6. Step 6: Final answer
    x = 22,801.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.