Home / 22,635.47-31,236.35-12,563.88

Finding the Fourth Proportional to 22,635.47, 31,236.35 and 12,563.88

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Solution

The fourth proportional to 22,635.47, 31,236.35 and 12,563.88 is: 17,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.47 : 31,236.35 = 12,563.88 : x
  2. Step 2: Convert to fraction form
    22,635.47/31,236.35 = 12,563.88/x
  3. Step 3: Cross multiply
    22,635.47x = 31,236.35 × 12,563.88
  4. Step 4: Simplify right side
    22,635.47x = 392,449,690.22
  5. Step 5: Solve for x
    x = 392,449,690.22/22,635.47
  6. Step 6: Final answer
    x = 17,337.82

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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.