Home / 25,423.50-38,134.71-11,380.26

Finding the Fourth Proportional to 25,423.50, 38,134.71 and 11,380.26

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Solution

The fourth proportional to 25,423.50, 38,134.71 and 11,380.26 is: 17,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.50 : 38,134.71 = 11,380.26 : x
  2. Step 2: Convert to fraction form
    25,423.50/38,134.71 = 11,380.26/x
  3. Step 3: Cross multiply
    25,423.50x = 38,134.71 × 11,380.26
  4. Step 4: Simplify right side
    25,423.50x = 433,982,914.82
  5. Step 5: Solve for x
    x = 433,982,914.82/25,423.50
  6. Step 6: Final answer
    x = 17,070.15

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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.