Home / 19,932.07-27,505.23-10,979.38

Finding the Fourth Proportional to 19,932.07, 27,505.23 and 10,979.38

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Solution

The fourth proportional to 19,932.07, 27,505.23 and 10,979.38 is: 15,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.07 : 27,505.23 = 10,979.38 : x
  2. Step 2: Convert to fraction form
    19,932.07/27,505.23 = 10,979.38/x
  3. Step 3: Cross multiply
    19,932.07x = 27,505.23 × 10,979.38
  4. Step 4: Simplify right side
    19,932.07x = 301,990,372.16
  5. Step 5: Solve for x
    x = 301,990,372.16/19,932.07
  6. Step 6: Final answer
    x = 15,150.98

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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.