Home / 18,306.90-25,262.55-10,348.65

Finding the Fourth Proportional to 18,306.90, 25,262.55 and 10,348.65

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Solution

The fourth proportional to 18,306.90, 25,262.55 and 10,348.65 is: 14,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.90 : 25,262.55 = 10,348.65 : x
  2. Step 2: Convert to fraction form
    18,306.90/25,262.55 = 10,348.65/x
  3. Step 3: Cross multiply
    18,306.90x = 25,262.55 × 10,348.65
  4. Step 4: Simplify right side
    18,306.90x = 261,433,288.06
  5. Step 5: Solve for x
    x = 261,433,288.06/18,306.90
  6. Step 6: Final answer
    x = 14,280.59

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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.