Home / 15,613.64-23,415.17-5,081.06

Finding the Fourth Proportional to 15,613.64, 23,415.17 and 5,081.06

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Solution

The fourth proportional to 15,613.64, 23,415.17 and 5,081.06 is: 7,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.64 : 23,415.17 = 5,081.06 : x
  2. Step 2: Convert to fraction form
    15,613.64/23,415.17 = 5,081.06/x
  3. Step 3: Cross multiply
    15,613.64x = 23,415.17 × 5,081.06
  4. Step 4: Simplify right side
    15,613.64x = 118,973,883.68
  5. Step 5: Solve for x
    x = 118,973,883.68/15,613.64
  6. Step 6: Final answer
    x = 7,619.87

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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.