Home / 25,732.92-35,512.09-15,123.12

Finding the Fourth Proportional to 25,732.92, 35,512.09 and 15,123.12

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Solution

The fourth proportional to 25,732.92, 35,512.09 and 15,123.12 is: 20,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,732.92 : 35,512.09 = 15,123.12 : x
  2. Step 2: Convert to fraction form
    25,732.92/35,512.09 = 15,123.12/x
  3. Step 3: Cross multiply
    25,732.92x = 35,512.09 × 15,123.12
  4. Step 4: Simplify right side
    25,732.92x = 537,053,598.52
  5. Step 5: Solve for x
    x = 537,053,598.52/25,732.92
  6. Step 6: Final answer
    x = 20,870.29

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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.