Home / 14,765.30-20,376.25-8,797.18

Finding the Fourth Proportional to 14,765.30, 20,376.25 and 8,797.18

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Solution

The fourth proportional to 14,765.30, 20,376.25 and 8,797.18 is: 12,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.30 : 20,376.25 = 8,797.18 : x
  2. Step 2: Convert to fraction form
    14,765.30/20,376.25 = 8,797.18/x
  3. Step 3: Cross multiply
    14,765.30x = 20,376.25 × 8,797.18
  4. Step 4: Simplify right side
    14,765.30x = 179,253,538.98
  5. Step 5: Solve for x
    x = 179,253,538.98/14,765.30
  6. Step 6: Final answer
    x = 12,140.19

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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.