Home / 22,687.12-34,030.68-13,425.04

Finding the Fourth Proportional to 22,687.12, 34,030.68 and 13,425.04

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Solution

The fourth proportional to 22,687.12, 34,030.68 and 13,425.04 is: 20,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.12 : 34,030.68 = 13,425.04 : x
  2. Step 2: Convert to fraction form
    22,687.12/34,030.68 = 13,425.04/x
  3. Step 3: Cross multiply
    22,687.12x = 34,030.68 × 13,425.04
  4. Step 4: Simplify right side
    22,687.12x = 456,863,240.23
  5. Step 5: Solve for x
    x = 456,863,240.23/22,687.12
  6. Step 6: Final answer
    x = 20,137.56

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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.