Home / 18,147.24-25,043.17-10,189.50

Finding the Fourth Proportional to 18,147.24, 25,043.17 and 10,189.50

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Solution

The fourth proportional to 18,147.24, 25,043.17 and 10,189.50 is: 14,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.24 : 25,043.17 = 10,189.50 : x
  2. Step 2: Convert to fraction form
    18,147.24/25,043.17 = 10,189.50/x
  3. Step 3: Cross multiply
    18,147.24x = 25,043.17 × 10,189.50
  4. Step 4: Simplify right side
    18,147.24x = 255,177,255.50
  5. Step 5: Solve for x
    x = 255,177,255.50/18,147.24
  6. Step 6: Final answer
    x = 14,061.49

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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.