Home / 15,951.24-22,012.02-8,877.72

Finding the Fourth Proportional to 15,951.24, 22,012.02 and 8,877.72

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Solution

The fourth proportional to 15,951.24, 22,012.02 and 8,877.72 is: 12,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.24 : 22,012.02 = 8,877.72 : x
  2. Step 2: Convert to fraction form
    15,951.24/22,012.02 = 8,877.72/x
  3. Step 3: Cross multiply
    15,951.24x = 22,012.02 × 8,877.72
  4. Step 4: Simplify right side
    15,951.24x = 195,416,550.19
  5. Step 5: Solve for x
    x = 195,416,550.19/15,951.24
  6. Step 6: Final answer
    x = 12,250.87

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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.