Home / 19,932.95-27,505.16-11,432.72

Finding the Fourth Proportional to 19,932.95, 27,505.16 and 11,432.72

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Solution

The fourth proportional to 19,932.95, 27,505.16 and 11,432.72 is: 15,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.95 : 27,505.16 = 11,432.72 : x
  2. Step 2: Convert to fraction form
    19,932.95/27,505.16 = 11,432.72/x
  3. Step 3: Cross multiply
    19,932.95x = 27,505.16 × 11,432.72
  4. Step 4: Simplify right side
    19,932.95x = 314,458,804.43
  5. Step 5: Solve for x
    x = 314,458,804.43/19,932.95
  6. Step 6: Final answer
    x = 15,775.83

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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.