Home / 25,363.40-37,972.20-15,521.90

Finding the Fourth Proportional to 25,363.40, 37,972.20 and 15,521.90

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Solution

The fourth proportional to 25,363.40, 37,972.20 and 15,521.90 is: 23,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.40 : 37,972.20 = 15,521.90 : x
  2. Step 2: Convert to fraction form
    25,363.40/37,972.20 = 15,521.90/x
  3. Step 3: Cross multiply
    25,363.40x = 37,972.20 × 15,521.90
  4. Step 4: Simplify right side
    25,363.40x = 589,400,691.18
  5. Step 5: Solve for x
    x = 589,400,691.18/25,363.40
  6. Step 6: Final answer
    x = 23,238.24

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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.