Home / 14,965.28-20,652.01-8,250.89

Finding the Fourth Proportional to 14,965.28, 20,652.01 and 8,250.89

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Solution

The fourth proportional to 14,965.28, 20,652.01 and 8,250.89 is: 11,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.28 : 20,652.01 = 8,250.89 : x
  2. Step 2: Convert to fraction form
    14,965.28/20,652.01 = 8,250.89/x
  3. Step 3: Cross multiply
    14,965.28x = 20,652.01 × 8,250.89
  4. Step 4: Simplify right side
    14,965.28x = 170,397,338.90
  5. Step 5: Solve for x
    x = 170,397,338.90/14,965.28
  6. Step 6: Final answer
    x = 11,386.18

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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.