Home / 15,008.40-22,512.60-10,342.80

Finding the Fourth Proportional to 15,008.40, 22,512.60 and 10,342.80

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Solution

The fourth proportional to 15,008.40, 22,512.60 and 10,342.80 is: 15,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.40 : 22,512.60 = 10,342.80 : x
  2. Step 2: Convert to fraction form
    15,008.40/22,512.60 = 10,342.80/x
  3. Step 3: Cross multiply
    15,008.40x = 22,512.60 × 10,342.80
  4. Step 4: Simplify right side
    15,008.40x = 232,843,319.28
  5. Step 5: Solve for x
    x = 232,843,319.28/15,008.40
  6. Step 6: Final answer
    x = 15,514.20

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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.