Home / 27,639.12-41,432.56-11,009.42

Finding the Fourth Proportional to 27,639.12, 41,432.56 and 11,009.42

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Solution

The fourth proportional to 27,639.12, 41,432.56 and 11,009.42 is: 16,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.12 : 41,432.56 = 11,009.42 : x
  2. Step 2: Convert to fraction form
    27,639.12/41,432.56 = 11,009.42/x
  3. Step 3: Cross multiply
    27,639.12x = 41,432.56 × 11,009.42
  4. Step 4: Simplify right side
    27,639.12x = 456,148,454.72
  5. Step 5: Solve for x
    x = 456,148,454.72/27,639.12
  6. Step 6: Final answer
    x = 16,503.73

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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.