Home / 15,512.40-23,254.08-5,649.20

Finding the Fourth Proportional to 15,512.40, 23,254.08 and 5,649.20

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Solution

The fourth proportional to 15,512.40, 23,254.08 and 5,649.20 is: 8,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.40 : 23,254.08 = 5,649.20 : x
  2. Step 2: Convert to fraction form
    15,512.40/23,254.08 = 5,649.20/x
  3. Step 3: Cross multiply
    15,512.40x = 23,254.08 × 5,649.20
  4. Step 4: Simplify right side
    15,512.40x = 131,366,948.74
  5. Step 5: Solve for x
    x = 131,366,948.74/15,512.40
  6. Step 6: Final answer
    x = 8,468.51

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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.