Home / 20,527.11-28,327.41-11,095.68

Finding the Fourth Proportional to 20,527.11, 28,327.41 and 11,095.68

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Solution

The fourth proportional to 20,527.11, 28,327.41 and 11,095.68 is: 15,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.11 : 28,327.41 = 11,095.68 : x
  2. Step 2: Convert to fraction form
    20,527.11/28,327.41 = 11,095.68/x
  3. Step 3: Cross multiply
    20,527.11x = 28,327.41 × 11,095.68
  4. Step 4: Simplify right side
    20,527.11x = 314,311,876.59
  5. Step 5: Solve for x
    x = 314,311,876.59/20,527.11
  6. Step 6: Final answer
    x = 15,312.04

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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.