Home / 23,685.12-32,683.72-13,613.56

Finding the Fourth Proportional to 23,685.12, 32,683.72 and 13,613.56

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Solution

The fourth proportional to 23,685.12, 32,683.72 and 13,613.56 is: 18,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.12 : 32,683.72 = 13,613.56 : x
  2. Step 2: Convert to fraction form
    23,685.12/32,683.72 = 13,613.56/x
  3. Step 3: Cross multiply
    23,685.12x = 32,683.72 × 13,613.56
  4. Step 4: Simplify right side
    23,685.12x = 444,941,783.24
  5. Step 5: Solve for x
    x = 444,941,783.24/23,685.12
  6. Step 6: Final answer
    x = 18,785.71

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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.