Home / 15,878.13-23,814.46-5,881.71

Finding the Fourth Proportional to 15,878.13, 23,814.46 and 5,881.71

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Solution

The fourth proportional to 15,878.13, 23,814.46 and 5,881.71 is: 8,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.13 : 23,814.46 = 5,881.71 : x
  2. Step 2: Convert to fraction form
    15,878.13/23,814.46 = 5,881.71/x
  3. Step 3: Cross multiply
    15,878.13x = 23,814.46 × 5,881.71
  4. Step 4: Simplify right side
    15,878.13x = 140,069,811.10
  5. Step 5: Solve for x
    x = 140,069,811.10/15,878.13
  6. Step 6: Final answer
    x = 8,821.56

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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.