Home / 19,345.38-29,016.88-6,863.76

Finding the Fourth Proportional to 19,345.38, 29,016.88 and 6,863.76

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Solution

The fourth proportional to 19,345.38, 29,016.88 and 6,863.76 is: 10,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.38 : 29,016.88 = 6,863.76 : x
  2. Step 2: Convert to fraction form
    19,345.38/29,016.88 = 6,863.76/x
  3. Step 3: Cross multiply
    19,345.38x = 29,016.88 × 6,863.76
  4. Step 4: Simplify right side
    19,345.38x = 199,164,883.11
  5. Step 5: Solve for x
    x = 199,164,883.11/19,345.38
  6. Step 6: Final answer
    x = 10,295.22

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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.