Home / 17,631.45-24,335.61-11,975.61

Finding the Fourth Proportional to 17,631.45, 24,335.61 and 11,975.61

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Solution

The fourth proportional to 17,631.45, 24,335.61 and 11,975.61 is: 16,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.45 : 24,335.61 = 11,975.61 : x
  2. Step 2: Convert to fraction form
    17,631.45/24,335.61 = 11,975.61/x
  3. Step 3: Cross multiply
    17,631.45x = 24,335.61 × 11,975.61
  4. Step 4: Simplify right side
    17,631.45x = 291,433,774.47
  5. Step 5: Solve for x
    x = 291,433,774.47/17,631.45
  6. Step 6: Final answer
    x = 16,529.20

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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.