Home / 15,951.06-22,012.56-8,877.47

Finding the Fourth Proportional to 15,951.06, 22,012.56 and 8,877.47

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Solution

The fourth proportional to 15,951.06, 22,012.56 and 8,877.47 is: 12,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.06 : 22,012.56 = 8,877.47 : x
  2. Step 2: Convert to fraction form
    15,951.06/22,012.56 = 8,877.47/x
  3. Step 3: Cross multiply
    15,951.06x = 22,012.56 × 8,877.47
  4. Step 4: Simplify right side
    15,951.06x = 195,415,730.96
  5. Step 5: Solve for x
    x = 195,415,730.96/15,951.06
  6. Step 6: Final answer
    x = 12,250.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.