Home / 19,358.62-29,040.54-7,512.10

Finding the Fourth Proportional to 19,358.62, 29,040.54 and 7,512.10

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Solution

The fourth proportional to 19,358.62, 29,040.54 and 7,512.10 is: 11,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.62 : 29,040.54 = 7,512.10 : x
  2. Step 2: Convert to fraction form
    19,358.62/29,040.54 = 7,512.10/x
  3. Step 3: Cross multiply
    19,358.62x = 29,040.54 × 7,512.10
  4. Step 4: Simplify right side
    19,358.62x = 218,155,440.53
  5. Step 5: Solve for x
    x = 218,155,440.53/19,358.62
  6. Step 6: Final answer
    x = 11,269.16

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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.