Home / 25,609.92-38,420.10-14,521.56

Finding the Fourth Proportional to 25,609.92, 38,420.10 and 14,521.56

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Solution

The fourth proportional to 25,609.92, 38,420.10 and 14,521.56 is: 21,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.92 : 38,420.10 = 14,521.56 : x
  2. Step 2: Convert to fraction form
    25,609.92/38,420.10 = 14,521.56/x
  3. Step 3: Cross multiply
    25,609.92x = 38,420.10 × 14,521.56
  4. Step 4: Simplify right side
    25,609.92x = 557,919,787.36
  5. Step 5: Solve for x
    x = 557,919,787.36/25,609.92
  6. Step 6: Final answer
    x = 21,785.30

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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.