Home / 15,955.30-23,976.87-8,565.22

Finding the Fourth Proportional to 15,955.30, 23,976.87 and 8,565.22

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Solution

The fourth proportional to 15,955.30, 23,976.87 and 8,565.22 is: 12,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.30 : 23,976.87 = 8,565.22 : x
  2. Step 2: Convert to fraction form
    15,955.30/23,976.87 = 8,565.22/x
  3. Step 3: Cross multiply
    15,955.30x = 23,976.87 × 8,565.22
  4. Step 4: Simplify right side
    15,955.30x = 205,367,166.46
  5. Step 5: Solve for x
    x = 205,367,166.46/15,955.30
  6. Step 6: Final answer
    x = 12,871.41

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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.