Home / 20,132.47-27,776.32-11,633.50

Finding the Fourth Proportional to 20,132.47, 27,776.32 and 11,633.50

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Solution

The fourth proportional to 20,132.47, 27,776.32 and 11,633.50 is: 16,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.47 : 27,776.32 = 11,633.50 : x
  2. Step 2: Convert to fraction form
    20,132.47/27,776.32 = 11,633.50/x
  3. Step 3: Cross multiply
    20,132.47x = 27,776.32 × 11,633.50
  4. Step 4: Simplify right side
    20,132.47x = 323,135,818.72
  5. Step 5: Solve for x
    x = 323,135,818.72/20,132.47
  6. Step 6: Final answer
    x = 16,050.48

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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.