Home / 16,393.08-22,613.55-13,543.61

Finding the Fourth Proportional to 16,393.08, 22,613.55 and 13,543.61

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Solution

The fourth proportional to 16,393.08, 22,613.55 and 13,543.61 is: 18,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.08 : 22,613.55 = 13,543.61 : x
  2. Step 2: Convert to fraction form
    16,393.08/22,613.55 = 13,543.61/x
  3. Step 3: Cross multiply
    16,393.08x = 22,613.55 × 13,543.61
  4. Step 4: Simplify right side
    16,393.08x = 306,268,938.06
  5. Step 5: Solve for x
    x = 306,268,938.06/16,393.08
  6. Step 6: Final answer
    x = 18,682.81

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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.