Home / 15,814.16-23,713.19-5,280.39

Finding the Fourth Proportional to 15,814.16, 23,713.19 and 5,280.39

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Solution

The fourth proportional to 15,814.16, 23,713.19 and 5,280.39 is: 7,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.16 : 23,713.19 = 5,280.39 : x
  2. Step 2: Convert to fraction form
    15,814.16/23,713.19 = 5,280.39/x
  3. Step 3: Cross multiply
    15,814.16x = 23,713.19 × 5,280.39
  4. Step 4: Simplify right side
    15,814.16x = 125,214,864.94
  5. Step 5: Solve for x
    x = 125,214,864.94/15,814.16
  6. Step 6: Final answer
    x = 7,917.90

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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.