Home / 15,642.39-23,458.68-5,110.01

Finding the Fourth Proportional to 15,642.39, 23,458.68 and 5,110.01

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Solution

The fourth proportional to 15,642.39, 23,458.68 and 5,110.01 is: 7,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.39 : 23,458.68 = 5,110.01 : x
  2. Step 2: Convert to fraction form
    15,642.39/23,458.68 = 5,110.01/x
  3. Step 3: Cross multiply
    15,642.39x = 23,458.68 × 5,110.01
  4. Step 4: Simplify right side
    15,642.39x = 119,874,157.61
  5. Step 5: Solve for x
    x = 119,874,157.61/15,642.39
  6. Step 6: Final answer
    x = 7,663.42

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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.