Home / 19,691.92-29,535.66-7,038.94

Finding the Fourth Proportional to 19,691.92, 29,535.66 and 7,038.94

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Solution

The fourth proportional to 19,691.92, 29,535.66 and 7,038.94 is: 10,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.92 : 29,535.66 = 7,038.94 : x
  2. Step 2: Convert to fraction form
    19,691.92/29,535.66 = 7,038.94/x
  3. Step 3: Cross multiply
    19,691.92x = 29,535.66 × 7,038.94
  4. Step 4: Simplify right side
    19,691.92x = 207,899,738.60
  5. Step 5: Solve for x
    x = 207,899,738.60/19,691.92
  6. Step 6: Final answer
    x = 10,557.62

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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.