Home / 15,134.47-22,700.77-7,242.59

Finding the Fourth Proportional to 15,134.47, 22,700.77 and 7,242.59

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Solution

The fourth proportional to 15,134.47, 22,700.77 and 7,242.59 is: 10,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.47 : 22,700.77 = 7,242.59 : x
  2. Step 2: Convert to fraction form
    15,134.47/22,700.77 = 7,242.59/x
  3. Step 3: Cross multiply
    15,134.47x = 22,700.77 × 7,242.59
  4. Step 4: Simplify right side
    15,134.47x = 164,412,369.79
  5. Step 5: Solve for x
    x = 164,412,369.79/15,134.47
  6. Step 6: Final answer
    x = 10,863.44

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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.