Home / 18,149.04-25,034.81-11,422.99

Finding the Fourth Proportional to 18,149.04, 25,034.81 and 11,422.99

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Solution

The fourth proportional to 18,149.04, 25,034.81 and 11,422.99 is: 15,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.04 : 25,034.81 = 11,422.99 : x
  2. Step 2: Convert to fraction form
    18,149.04/25,034.81 = 11,422.99/x
  3. Step 3: Cross multiply
    18,149.04x = 25,034.81 × 11,422.99
  4. Step 4: Simplify right side
    18,149.04x = 285,972,412.84
  5. Step 5: Solve for x
    x = 285,972,412.84/18,149.04
  6. Step 6: Final answer
    x = 15,756.89

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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.