Home / 27,070.80-40,562.28-13,904.88

Finding the Fourth Proportional to 27,070.80, 40,562.28 and 13,904.88

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Solution

The fourth proportional to 27,070.80, 40,562.28 and 13,904.88 is: 20,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.80 : 40,562.28 = 13,904.88 : x
  2. Step 2: Convert to fraction form
    27,070.80/40,562.28 = 13,904.88/x
  3. Step 3: Cross multiply
    27,070.80x = 40,562.28 × 13,904.88
  4. Step 4: Simplify right side
    27,070.80x = 564,013,635.93
  5. Step 5: Solve for x
    x = 564,013,635.93/27,070.80
  6. Step 6: Final answer
    x = 20,834.76

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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.