Home / 22,918.87-34,358.70-10,434.43

Finding the Fourth Proportional to 22,918.87, 34,358.70 and 10,434.43

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Solution

The fourth proportional to 22,918.87, 34,358.70 and 10,434.43 is: 15,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.87 : 34,358.70 = 10,434.43 : x
  2. Step 2: Convert to fraction form
    22,918.87/34,358.70 = 10,434.43/x
  3. Step 3: Cross multiply
    22,918.87x = 34,358.70 × 10,434.43
  4. Step 4: Simplify right side
    22,918.87x = 358,513,450.04
  5. Step 5: Solve for x
    x = 358,513,450.04/22,918.87
  6. Step 6: Final answer
    x = 15,642.72

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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.