Home / 23,685.12-32,683.68-13,613.04

Finding the Fourth Proportional to 23,685.12, 32,683.68 and 13,613.04

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Solution

The fourth proportional to 23,685.12, 32,683.68 and 13,613.04 is: 18,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.12 : 32,683.68 = 13,613.04 : x
  2. Step 2: Convert to fraction form
    23,685.12/32,683.68 = 13,613.04/x
  3. Step 3: Cross multiply
    23,685.12x = 32,683.68 × 13,613.04
  4. Step 4: Simplify right side
    23,685.12x = 444,924,243.19
  5. Step 5: Solve for x
    x = 444,924,243.19/23,685.12
  6. Step 6: Final answer
    x = 18,784.97

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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.