Home / 18,582.08-25,646.06-11,872.17

Finding the Fourth Proportional to 18,582.08, 25,646.06 and 11,872.17

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Solution

The fourth proportional to 18,582.08, 25,646.06 and 11,872.17 is: 16,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.08 : 25,646.06 = 11,872.17 : x
  2. Step 2: Convert to fraction form
    18,582.08/25,646.06 = 11,872.17/x
  3. Step 3: Cross multiply
    18,582.08x = 25,646.06 × 11,872.17
  4. Step 4: Simplify right side
    18,582.08x = 304,474,413.83
  5. Step 5: Solve for x
    x = 304,474,413.83/18,582.08
  6. Step 6: Final answer
    x = 16,385.38

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Double scale
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Similar ratio
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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.