Home / 18,247.68-25,179.91-13,470.16

Finding the Fourth Proportional to 18,247.68, 25,179.91 and 13,470.16

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Solution

The fourth proportional to 18,247.68, 25,179.91 and 13,470.16 is: 18,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.68 : 25,179.91 = 13,470.16 : x
  2. Step 2: Convert to fraction form
    18,247.68/25,179.91 = 13,470.16/x
  3. Step 3: Cross multiply
    18,247.68x = 25,179.91 × 13,470.16
  4. Step 4: Simplify right side
    18,247.68x = 339,177,416.49
  5. Step 5: Solve for x
    x = 339,177,416.49/18,247.68
  6. Step 6: Final answer
    x = 18,587.43

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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.