Home / 22,613.80-31,198.60-13,052.56

Finding the Fourth Proportional to 22,613.80, 31,198.60 and 13,052.56

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Solution

The fourth proportional to 22,613.80, 31,198.60 and 13,052.56 is: 18,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.80 : 31,198.60 = 13,052.56 : x
  2. Step 2: Convert to fraction form
    22,613.80/31,198.60 = 13,052.56/x
  3. Step 3: Cross multiply
    22,613.80x = 31,198.60 × 13,052.56
  4. Step 4: Simplify right side
    22,613.80x = 407,221,598.42
  5. Step 5: Solve for x
    x = 407,221,598.42/22,613.80
  6. Step 6: Final answer
    x = 18,007.66

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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.