Home / 23,007.85-31,750.29-15,049.90

Finding the Fourth Proportional to 23,007.85, 31,750.29 and 15,049.90

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Solution

The fourth proportional to 23,007.85, 31,750.29 and 15,049.90 is: 20,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,007.85 : 31,750.29 = 15,049.90 : x
  2. Step 2: Convert to fraction form
    23,007.85/31,750.29 = 15,049.90/x
  3. Step 3: Cross multiply
    23,007.85x = 31,750.29 × 15,049.90
  4. Step 4: Simplify right side
    23,007.85x = 477,838,689.47
  5. Step 5: Solve for x
    x = 477,838,689.47/23,007.85
  6. Step 6: Final answer
    x = 20,768.51

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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.