Home / 19,761.60-29,665.56-15,604.40

Finding the Fourth Proportional to 19,761.60, 29,665.56 and 15,604.40

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Solution

The fourth proportional to 19,761.60, 29,665.56 and 15,604.40 is: 23,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.60 : 29,665.56 = 15,604.40 : x
  2. Step 2: Convert to fraction form
    19,761.60/29,665.56 = 15,604.40/x
  3. Step 3: Cross multiply
    19,761.60x = 29,665.56 × 15,604.40
  4. Step 4: Simplify right side
    19,761.60x = 462,913,264.46
  5. Step 5: Solve for x
    x = 462,913,264.46/19,761.60
  6. Step 6: Final answer
    x = 23,424.89

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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.