Home / 14,549.25-20,077.02-8,579.55

Finding the Fourth Proportional to 14,549.25, 20,077.02 and 8,579.55

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Solution

The fourth proportional to 14,549.25, 20,077.02 and 8,579.55 is: 11,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.25 : 20,077.02 = 8,579.55 : x
  2. Step 2: Convert to fraction form
    14,549.25/20,077.02 = 8,579.55/x
  3. Step 3: Cross multiply
    14,549.25x = 20,077.02 × 8,579.55
  4. Step 4: Simplify right side
    14,549.25x = 172,251,796.94
  5. Step 5: Solve for x
    x = 172,251,796.94/14,549.25
  6. Step 6: Final answer
    x = 11,839.22

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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.