Home / 22,981.18-34,454.25-11,880.79

Finding the Fourth Proportional to 22,981.18, 34,454.25 and 11,880.79

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Solution

The fourth proportional to 22,981.18, 34,454.25 and 11,880.79 is: 17,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.18 : 34,454.25 = 11,880.79 : x
  2. Step 2: Convert to fraction form
    22,981.18/34,454.25 = 11,880.79/x
  3. Step 3: Cross multiply
    22,981.18x = 34,454.25 × 11,880.79
  4. Step 4: Simplify right side
    22,981.18x = 409,343,729.65
  5. Step 5: Solve for x
    x = 409,343,729.65/22,981.18
  6. Step 6: Final answer
    x = 17,812.13

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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.