Home / 16,979.72-23,442.89-10,932.66

Finding the Fourth Proportional to 16,979.72, 23,442.89 and 10,932.66

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Solution

The fourth proportional to 16,979.72, 23,442.89 and 10,932.66 is: 15,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.72 : 23,442.89 = 10,932.66 : x
  2. Step 2: Convert to fraction form
    16,979.72/23,442.89 = 10,932.66/x
  3. Step 3: Cross multiply
    16,979.72x = 23,442.89 × 10,932.66
  4. Step 4: Simplify right side
    16,979.72x = 256,293,091.12
  5. Step 5: Solve for x
    x = 256,293,091.12/16,979.72
  6. Step 6: Final answer
    x = 15,094.07

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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.