Home / 18,348.30-25,306.56-12,370.50

Finding the Fourth Proportional to 18,348.30, 25,306.56 and 12,370.50

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Solution

The fourth proportional to 18,348.30, 25,306.56 and 12,370.50 is: 17,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.30 : 25,306.56 = 12,370.50 : x
  2. Step 2: Convert to fraction form
    18,348.30/25,306.56 = 12,370.50/x
  3. Step 3: Cross multiply
    18,348.30x = 25,306.56 × 12,370.50
  4. Step 4: Simplify right side
    18,348.30x = 313,054,800.48
  5. Step 5: Solve for x
    x = 313,054,800.48/18,348.30
  6. Step 6: Final answer
    x = 17,061.79

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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.