Home / 20,041.25-27,657.74-11,088.61

Finding the Fourth Proportional to 20,041.25, 27,657.74 and 11,088.61

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Solution

The fourth proportional to 20,041.25, 27,657.74 and 11,088.61 is: 15,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.25 : 27,657.74 = 11,088.61 : x
  2. Step 2: Convert to fraction form
    20,041.25/27,657.74 = 11,088.61/x
  3. Step 3: Cross multiply
    20,041.25x = 27,657.74 × 11,088.61
  4. Step 4: Simplify right side
    20,041.25x = 306,685,850.92
  5. Step 5: Solve for x
    x = 306,685,850.92/20,041.25
  6. Step 6: Final answer
    x = 15,302.73

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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.