Home / 18,042.15-24,890.85-11,995.32

Finding the Fourth Proportional to 18,042.15, 24,890.85 and 11,995.32

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Solution

The fourth proportional to 18,042.15, 24,890.85 and 11,995.32 is: 16,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.15 : 24,890.85 = 11,995.32 : x
  2. Step 2: Convert to fraction form
    18,042.15/24,890.85 = 11,995.32/x
  3. Step 3: Cross multiply
    18,042.15x = 24,890.85 × 11,995.32
  4. Step 4: Simplify right side
    18,042.15x = 298,573,710.82
  5. Step 5: Solve for x
    x = 298,573,710.82/18,042.15
  6. Step 6: Final answer
    x = 16,548.68

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Half scale
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Double scale
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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.