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Finding the Fourth Proportional to 18,624.29, 25,702.01 and 10,126.97

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Solution

The fourth proportional to 18,624.29, 25,702.01 and 10,126.97 is: 13,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.29 : 25,702.01 = 10,126.97 : x
  2. Step 2: Convert to fraction form
    18,624.29/25,702.01 = 10,126.97/x
  3. Step 3: Cross multiply
    18,624.29x = 25,702.01 × 10,126.97
  4. Step 4: Simplify right side
    18,624.29x = 260,283,573.78
  5. Step 5: Solve for x
    x = 260,283,573.78/18,624.29
  6. Step 6: Final answer
    x = 13,975.49

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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.