Home / 15,139.16-22,708.85-5,776.66

Finding the Fourth Proportional to 15,139.16, 22,708.85 and 5,776.66

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Solution

The fourth proportional to 15,139.16, 22,708.85 and 5,776.66 is: 8,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.16 : 22,708.85 = 5,776.66 : x
  2. Step 2: Convert to fraction form
    15,139.16/22,708.85 = 5,776.66/x
  3. Step 3: Cross multiply
    15,139.16x = 22,708.85 × 5,776.66
  4. Step 4: Simplify right side
    15,139.16x = 131,181,163.01
  5. Step 5: Solve for x
    x = 131,181,163.01/15,139.16
  6. Step 6: Final answer
    x = 8,665.02

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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.