Home / 15,135.24-22,686.02-11,425.44

Finding the Fourth Proportional to 15,135.24, 22,686.02 and 11,425.44

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Solution

The fourth proportional to 15,135.24, 22,686.02 and 11,425.44 is: 17,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.24 : 22,686.02 = 11,425.44 : x
  2. Step 2: Convert to fraction form
    15,135.24/22,686.02 = 11,425.44/x
  3. Step 3: Cross multiply
    15,135.24x = 22,686.02 × 11,425.44
  4. Step 4: Simplify right side
    15,135.24x = 259,197,760.35
  5. Step 5: Solve for x
    x = 259,197,760.35/15,135.24
  6. Step 6: Final answer
    x = 17,125.45

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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.