Home / 14,549.15-20,077.85-8,261.52

Finding the Fourth Proportional to 14,549.15, 20,077.85 and 8,261.52

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Solution

The fourth proportional to 14,549.15, 20,077.85 and 8,261.52 is: 11,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.15 : 20,077.85 = 8,261.52 : x
  2. Step 2: Convert to fraction form
    14,549.15/20,077.85 = 8,261.52/x
  3. Step 3: Cross multiply
    14,549.15x = 20,077.85 × 8,261.52
  4. Step 4: Simplify right side
    14,549.15x = 165,873,559.33
  5. Step 5: Solve for x
    x = 165,873,559.33/14,549.15
  6. Step 6: Final answer
    x = 11,400.91

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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.