Home / 28,631.24-42,934.27-11,752.66

Finding the Fourth Proportional to 28,631.24, 42,934.27 and 11,752.66

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Solution

The fourth proportional to 28,631.24, 42,934.27 and 11,752.66 is: 17,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.24 : 42,934.27 = 11,752.66 : x
  2. Step 2: Convert to fraction form
    28,631.24/42,934.27 = 11,752.66/x
  3. Step 3: Cross multiply
    28,631.24x = 42,934.27 × 11,752.66
  4. Step 4: Simplify right side
    28,631.24x = 504,591,877.66
  5. Step 5: Solve for x
    x = 504,591,877.66/28,631.24
  6. Step 6: Final answer
    x = 17,623.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.