Home / 22,701.52-31,330.68-13,269.52

Finding the Fourth Proportional to 22,701.52, 31,330.68 and 13,269.52

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Solution

The fourth proportional to 22,701.52, 31,330.68 and 13,269.52 is: 18,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.52 : 31,330.68 = 13,269.52 : x
  2. Step 2: Convert to fraction form
    22,701.52/31,330.68 = 13,269.52/x
  3. Step 3: Cross multiply
    22,701.52x = 31,330.68 × 13,269.52
  4. Step 4: Simplify right side
    22,701.52x = 415,743,084.87
  5. Step 5: Solve for x
    x = 415,743,084.87/22,701.52
  6. Step 6: Final answer
    x = 18,313.45

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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.