Home / 18,593.28-25,659.12-10,209.72

Finding the Fourth Proportional to 18,593.28, 25,659.12 and 10,209.72

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Solution

The fourth proportional to 18,593.28, 25,659.12 and 10,209.72 is: 14,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.28 : 25,659.12 = 10,209.72 : x
  2. Step 2: Convert to fraction form
    18,593.28/25,659.12 = 10,209.72/x
  3. Step 3: Cross multiply
    18,593.28x = 25,659.12 × 10,209.72
  4. Step 4: Simplify right side
    18,593.28x = 261,972,430.65
  5. Step 5: Solve for x
    x = 261,972,430.65/18,593.28
  6. Step 6: Final answer
    x = 14,089.63

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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.