Home / 22,900.66-31,585.13-15,344.57

Finding the Fourth Proportional to 22,900.66, 31,585.13 and 15,344.57

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Solution

The fourth proportional to 22,900.66, 31,585.13 and 15,344.57 is: 21,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.66 : 31,585.13 = 15,344.57 : x
  2. Step 2: Convert to fraction form
    22,900.66/31,585.13 = 15,344.57/x
  3. Step 3: Cross multiply
    22,900.66x = 31,585.13 × 15,344.57
  4. Step 4: Simplify right side
    22,900.66x = 484,660,238.24
  5. Step 5: Solve for x
    x = 484,660,238.24/22,900.66
  6. Step 6: Final answer
    x = 21,163.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.