Home / 14,003.20-19,327.71-8,702.02

Finding the Fourth Proportional to 14,003.20, 19,327.71 and 8,702.02

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Solution

The fourth proportional to 14,003.20, 19,327.71 and 8,702.02 is: 12,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.20 : 19,327.71 = 8,702.02 : x
  2. Step 2: Convert to fraction form
    14,003.20/19,327.71 = 8,702.02/x
  3. Step 3: Cross multiply
    14,003.20x = 19,327.71 × 8,702.02
  4. Step 4: Simplify right side
    14,003.20x = 168,190,118.97
  5. Step 5: Solve for x
    x = 168,190,118.97/14,003.20
  6. Step 6: Final answer
    x = 12,010.83

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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.