Home / 19,767.52-29,631.84-9,386.56

Finding the Fourth Proportional to 19,767.52, 29,631.84 and 9,386.56

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Solution

The fourth proportional to 19,767.52, 29,631.84 and 9,386.56 is: 14,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.52 : 29,631.84 = 9,386.56 : x
  2. Step 2: Convert to fraction form
    19,767.52/29,631.84 = 9,386.56/x
  3. Step 3: Cross multiply
    19,767.52x = 29,631.84 × 9,386.56
  4. Step 4: Simplify right side
    19,767.52x = 278,141,044.07
  5. Step 5: Solve for x
    x = 278,141,044.07/19,767.52
  6. Step 6: Final answer
    x = 14,070.61

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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.