Home / 18,149.18-25,048.65-11,079.74

Finding the Fourth Proportional to 18,149.18, 25,048.65 and 11,079.74

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Solution

The fourth proportional to 18,149.18, 25,048.65 and 11,079.74 is: 15,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.18 : 25,048.65 = 11,079.74 : x
  2. Step 2: Convert to fraction form
    18,149.18/25,048.65 = 11,079.74/x
  3. Step 3: Cross multiply
    18,149.18x = 25,048.65 × 11,079.74
  4. Step 4: Simplify right side
    18,149.18x = 277,532,529.35
  5. Step 5: Solve for x
    x = 277,532,529.35/18,149.18
  6. Step 6: Final answer
    x = 15,291.74

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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.