Home / 25,613.13-35,351.76-16,645.05

Finding the Fourth Proportional to 25,613.13, 35,351.76 and 16,645.05

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Solution

The fourth proportional to 25,613.13, 35,351.76 and 16,645.05 is: 22,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.13 : 35,351.76 = 16,645.05 : x
  2. Step 2: Convert to fraction form
    25,613.13/35,351.76 = 16,645.05/x
  3. Step 3: Cross multiply
    25,613.13x = 35,351.76 × 16,645.05
  4. Step 4: Simplify right side
    25,613.13x = 588,431,812.79
  5. Step 5: Solve for x
    x = 588,431,812.79/25,613.13
  6. Step 6: Final answer
    x = 22,973.83

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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.