Home / 25,423.25-35,084.10-15,487.25

Finding the Fourth Proportional to 25,423.25, 35,084.10 and 15,487.25

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Solution

The fourth proportional to 25,423.25, 35,084.10 and 15,487.25 is: 21,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.25 : 35,084.10 = 15,487.25 : x
  2. Step 2: Convert to fraction form
    25,423.25/35,084.10 = 15,487.25/x
  3. Step 3: Cross multiply
    25,423.25x = 35,084.10 × 15,487.25
  4. Step 4: Simplify right side
    25,423.25x = 543,356,150.29
  5. Step 5: Solve for x
    x = 543,356,150.29/25,423.25
  6. Step 6: Final answer
    x = 21,372.41

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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.