Home / 22,713.48-34,068.06-7,128.36

Finding the Fourth Proportional to 22,713.48, 34,068.06 and 7,128.36

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Solution

The fourth proportional to 22,713.48, 34,068.06 and 7,128.36 is: 10,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.48 : 34,068.06 = 7,128.36 : x
  2. Step 2: Convert to fraction form
    22,713.48/34,068.06 = 7,128.36/x
  3. Step 3: Cross multiply
    22,713.48x = 34,068.06 × 7,128.36
  4. Step 4: Simplify right side
    22,713.48x = 242,849,396.18
  5. Step 5: Solve for x
    x = 242,849,396.18/22,713.48
  6. Step 6: Final answer
    x = 10,691.86

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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.