Home / 22,020.35-30,393.53-13,524.53

Finding the Fourth Proportional to 22,020.35, 30,393.53 and 13,524.53

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Solution

The fourth proportional to 22,020.35, 30,393.53 and 13,524.53 is: 18,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.35 : 30,393.53 = 13,524.53 : x
  2. Step 2: Convert to fraction form
    22,020.35/30,393.53 = 13,524.53/x
  3. Step 3: Cross multiply
    22,020.35x = 30,393.53 × 13,524.53
  4. Step 4: Simplify right side
    22,020.35x = 411,057,988.70
  5. Step 5: Solve for x
    x = 411,057,988.70/22,020.35
  6. Step 6: Final answer
    x = 18,667.19

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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.