Home / 18,306.52-25,263.03-10,348.78

Finding the Fourth Proportional to 18,306.52, 25,263.03 and 10,348.78

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Solution

The fourth proportional to 18,306.52, 25,263.03 and 10,348.78 is: 14,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.52 : 25,263.03 = 10,348.78 : x
  2. Step 2: Convert to fraction form
    18,306.52/25,263.03 = 10,348.78/x
  3. Step 3: Cross multiply
    18,306.52x = 25,263.03 × 10,348.78
  4. Step 4: Simplify right side
    18,306.52x = 261,441,539.60
  5. Step 5: Solve for x
    x = 261,441,539.60/18,306.52
  6. Step 6: Final answer
    x = 14,281.33

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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.