Home / 25,931.20-38,902.20-14,828.80

Finding the Fourth Proportional to 25,931.20, 38,902.20 and 14,828.80

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Solution

The fourth proportional to 25,931.20, 38,902.20 and 14,828.80 is: 22,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.20 : 38,902.20 = 14,828.80 : x
  2. Step 2: Convert to fraction form
    25,931.20/38,902.20 = 14,828.80/x
  3. Step 3: Cross multiply
    25,931.20x = 38,902.20 × 14,828.80
  4. Step 4: Simplify right side
    25,931.20x = 576,872,943.36
  5. Step 5: Solve for x
    x = 576,872,943.36/25,931.20
  6. Step 6: Final answer
    x = 22,246.29

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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.