Home / 21,041.31-31,565.16-6,248.38

Finding the Fourth Proportional to 21,041.31, 31,565.16 and 6,248.38

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Solution

The fourth proportional to 21,041.31, 31,565.16 and 6,248.38 is: 9,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.31 : 31,565.16 = 6,248.38 : x
  2. Step 2: Convert to fraction form
    21,041.31/31,565.16 = 6,248.38/x
  3. Step 3: Cross multiply
    21,041.31x = 31,565.16 × 6,248.38
  4. Step 4: Simplify right side
    21,041.31x = 197,231,114.44
  5. Step 5: Solve for x
    x = 197,231,114.44/21,041.31
  6. Step 6: Final answer
    x = 9,373.52

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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.