Home / 21,386.38-32,083.62-9,700.52

Finding the Fourth Proportional to 21,386.38, 32,083.62 and 9,700.52

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Solution

The fourth proportional to 21,386.38, 32,083.62 and 9,700.52 is: 14,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.38 : 32,083.62 = 9,700.52 : x
  2. Step 2: Convert to fraction form
    21,386.38/32,083.62 = 9,700.52/x
  3. Step 3: Cross multiply
    21,386.38x = 32,083.62 × 9,700.52
  4. Step 4: Simplify right side
    21,386.38x = 311,227,797.48
  5. Step 5: Solve for x
    x = 311,227,797.48/21,386.38
  6. Step 6: Final answer
    x = 14,552.62

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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.