Home / 19,951.19-29,932.64-5,911.58

Finding the Fourth Proportional to 19,951.19, 29,932.64 and 5,911.58

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Solution

The fourth proportional to 19,951.19, 29,932.64 and 5,911.58 is: 8,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.19 : 29,932.64 = 5,911.58 : x
  2. Step 2: Convert to fraction form
    19,951.19/29,932.64 = 5,911.58/x
  3. Step 3: Cross multiply
    19,951.19x = 29,932.64 × 5,911.58
  4. Step 4: Simplify right side
    19,951.19x = 176,949,016.75
  5. Step 5: Solve for x
    x = 176,949,016.75/19,951.19
  6. Step 6: Final answer
    x = 8,869.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.