Home / 25,137.12-34,657.20-15,702.24

Finding the Fourth Proportional to 25,137.12, 34,657.20 and 15,702.24

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Solution

The fourth proportional to 25,137.12, 34,657.20 and 15,702.24 is: 21,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.12 : 34,657.20 = 15,702.24 : x
  2. Step 2: Convert to fraction form
    25,137.12/34,657.20 = 15,702.24/x
  3. Step 3: Cross multiply
    25,137.12x = 34,657.20 × 15,702.24
  4. Step 4: Simplify right side
    25,137.12x = 544,195,672.13
  5. Step 5: Solve for x
    x = 544,195,672.13/25,137.12
  6. Step 6: Final answer
    x = 21,649.09

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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.