Home / 23,142.47-34,713.90-5,612.45

Finding the Fourth Proportional to 23,142.47, 34,713.90 and 5,612.45

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Solution

The fourth proportional to 23,142.47, 34,713.90 and 5,612.45 is: 8,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.47 : 34,713.90 = 5,612.45 : x
  2. Step 2: Convert to fraction form
    23,142.47/34,713.90 = 5,612.45/x
  3. Step 3: Cross multiply
    23,142.47x = 34,713.90 × 5,612.45
  4. Step 4: Simplify right side
    23,142.47x = 194,829,854.49
  5. Step 5: Solve for x
    x = 194,829,854.49/23,142.47
  6. Step 6: Final answer
    x = 8,418.72

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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.