Home / 14,613.56-20,168.16-8,326.88

Finding the Fourth Proportional to 14,613.56, 20,168.16 and 8,326.88

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Solution

The fourth proportional to 14,613.56, 20,168.16 and 8,326.88 is: 11,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.56 : 20,168.16 = 8,326.88 : x
  2. Step 2: Convert to fraction form
    14,613.56/20,168.16 = 8,326.88/x
  3. Step 3: Cross multiply
    14,613.56x = 20,168.16 × 8,326.88
  4. Step 4: Simplify right side
    14,613.56x = 167,937,848.14
  5. Step 5: Solve for x
    x = 167,937,848.14/14,613.56
  6. Step 6: Final answer
    x = 11,491.92

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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.