Home / 17,811.20-24,587.04-11,100.18

Finding the Fourth Proportional to 17,811.20, 24,587.04 and 11,100.18

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Solution

The fourth proportional to 17,811.20, 24,587.04 and 11,100.18 is: 15,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.20 : 24,587.04 = 11,100.18 : x
  2. Step 2: Convert to fraction form
    17,811.20/24,587.04 = 11,100.18/x
  3. Step 3: Cross multiply
    17,811.20x = 24,587.04 × 11,100.18
  4. Step 4: Simplify right side
    17,811.20x = 272,920,569.67
  5. Step 5: Solve for x
    x = 272,920,569.67/17,811.20
  6. Step 6: Final answer
    x = 15,322.97

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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.