Home / 19,601.31-29,363.69-15,660.76

Finding the Fourth Proportional to 19,601.31, 29,363.69 and 15,660.76

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Solution

The fourth proportional to 19,601.31, 29,363.69 and 15,660.76 is: 23,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.31 : 29,363.69 = 15,660.76 : x
  2. Step 2: Convert to fraction form
    19,601.31/29,363.69 = 15,660.76/x
  3. Step 3: Cross multiply
    19,601.31x = 29,363.69 × 15,660.76
  4. Step 4: Simplify right side
    19,601.31x = 459,857,701.80
  5. Step 5: Solve for x
    x = 459,857,701.80/19,601.31
  6. Step 6: Final answer
    x = 23,460.56

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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.