Home / 21,565.08-32,344.02-5,979.06

Finding the Fourth Proportional to 21,565.08, 32,344.02 and 5,979.06

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Solution

The fourth proportional to 21,565.08, 32,344.02 and 5,979.06 is: 8,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.08 : 32,344.02 = 5,979.06 : x
  2. Step 2: Convert to fraction form
    21,565.08/32,344.02 = 5,979.06/x
  3. Step 3: Cross multiply
    21,565.08x = 32,344.02 × 5,979.06
  4. Step 4: Simplify right side
    21,565.08x = 193,386,836.22
  5. Step 5: Solve for x
    x = 193,386,836.22/21,565.08
  6. Step 6: Final answer
    x = 8,967.59

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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.