Home / 18,270.47-25,210.53-11,096.65

Finding the Fourth Proportional to 18,270.47, 25,210.53 and 11,096.65

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Solution

The fourth proportional to 18,270.47, 25,210.53 and 11,096.65 is: 15,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.47 : 25,210.53 = 11,096.65 : x
  2. Step 2: Convert to fraction form
    18,270.47/25,210.53 = 11,096.65/x
  3. Step 3: Cross multiply
    18,270.47x = 25,210.53 × 11,096.65
  4. Step 4: Simplify right side
    18,270.47x = 279,752,364.70
  5. Step 5: Solve for x
    x = 279,752,364.70/18,270.47
  6. Step 6: Final answer
    x = 15,311.73

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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.