Home / 27,145.80-40,716.14-9,614.70

Finding the Fourth Proportional to 27,145.80, 40,716.14 and 9,614.70

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Solution

The fourth proportional to 27,145.80, 40,716.14 and 9,614.70 is: 14,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.80 : 40,716.14 = 9,614.70 : x
  2. Step 2: Convert to fraction form
    27,145.80/40,716.14 = 9,614.70/x
  3. Step 3: Cross multiply
    27,145.80x = 40,716.14 × 9,614.70
  4. Step 4: Simplify right side
    27,145.80x = 391,473,423.18
  5. Step 5: Solve for x
    x = 391,473,423.18/27,145.80
  6. Step 6: Final answer
    x = 14,421.14

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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.