Home / 20,003.58-27,595.76-12,932.28

Finding the Fourth Proportional to 20,003.58, 27,595.76 and 12,932.28

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Solution

The fourth proportional to 20,003.58, 27,595.76 and 12,932.28 is: 17,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.58 : 27,595.76 = 12,932.28 : x
  2. Step 2: Convert to fraction form
    20,003.58/27,595.76 = 12,932.28/x
  3. Step 3: Cross multiply
    20,003.58x = 27,595.76 × 12,932.28
  4. Step 4: Simplify right side
    20,003.58x = 356,876,030.47
  5. Step 5: Solve for x
    x = 356,876,030.47/20,003.58
  6. Step 6: Final answer
    x = 17,840.61

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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.