Home / 13,318.62-19,981.17-5,925.48

Finding the Fourth Proportional to 13,318.62, 19,981.17 and 5,925.48

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Solution

The fourth proportional to 13,318.62, 19,981.17 and 5,925.48 is: 8,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.62 : 19,981.17 = 5,925.48 : x
  2. Step 2: Convert to fraction form
    13,318.62/19,981.17 = 5,925.48/x
  3. Step 3: Cross multiply
    13,318.62x = 19,981.17 × 5,925.48
  4. Step 4: Simplify right side
    13,318.62x = 118,398,023.21
  5. Step 5: Solve for x
    x = 118,398,023.21/13,318.62
  6. Step 6: Final answer
    x = 8,889.66

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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.