Home / 18,104.28-24,975-11,018.40

Finding the Fourth Proportional to 18,104.28, 24,975 and 11,018.40

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Solution

The fourth proportional to 18,104.28, 24,975 and 11,018.40 is: 15,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.28 : 24,975 = 11,018.40 : x
  2. Step 2: Convert to fraction form
    18,104.28/24,975 = 11,018.40/x
  3. Step 3: Cross multiply
    18,104.28x = 24,975 × 11,018.40
  4. Step 4: Simplify right side
    18,104.28x = 275,184,540
  5. Step 5: Solve for x
    x = 275,184,540/18,104.28
  6. Step 6: Final answer
    x = 15,199.97

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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.