Home / 15,145.13-22,716.08-5,284.60

Finding the Fourth Proportional to 15,145.13, 22,716.08 and 5,284.60

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Solution

The fourth proportional to 15,145.13, 22,716.08 and 5,284.60 is: 7,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.13 : 22,716.08 = 5,284.60 : x
  2. Step 2: Convert to fraction form
    15,145.13/22,716.08 = 5,284.60/x
  3. Step 3: Cross multiply
    15,145.13x = 22,716.08 × 5,284.60
  4. Step 4: Simplify right side
    15,145.13x = 120,045,332.97
  5. Step 5: Solve for x
    x = 120,045,332.97/15,145.13
  6. Step 6: Final answer
    x = 7,926.33

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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.