Home / 14,764.25-20,331.11-13,191.77

Finding the Fourth Proportional to 14,764.25, 20,331.11 and 13,191.77

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Solution

The fourth proportional to 14,764.25, 20,331.11 and 13,191.77 is: 18,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.25 : 20,331.11 = 13,191.77 : x
  2. Step 2: Convert to fraction form
    14,764.25/20,331.11 = 13,191.77/x
  3. Step 3: Cross multiply
    14,764.25x = 20,331.11 × 13,191.77
  4. Step 4: Simplify right side
    14,764.25x = 268,203,159.35
  5. Step 5: Solve for x
    x = 268,203,159.35/14,764.25
  6. Step 6: Final answer
    x = 18,165.72

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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.