Home / 14,613.48-20,171.16-8,330.04

Finding the Fourth Proportional to 14,613.48, 20,171.16 and 8,330.04

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Solution

The fourth proportional to 14,613.48, 20,171.16 and 8,330.04 is: 11,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.48 : 20,171.16 = 8,330.04 : x
  2. Step 2: Convert to fraction form
    14,613.48/20,171.16 = 8,330.04/x
  3. Step 3: Cross multiply
    14,613.48x = 20,171.16 × 8,330.04
  4. Step 4: Simplify right side
    14,613.48x = 168,026,569.65
  5. Step 5: Solve for x
    x = 168,026,569.65/14,613.48
  6. Step 6: Final answer
    x = 11,498.05

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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.