Home / 23,013.45-34,545.78-11,917.14

Finding the Fourth Proportional to 23,013.45, 34,545.78 and 11,917.14

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Solution

The fourth proportional to 23,013.45, 34,545.78 and 11,917.14 is: 17,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.45 : 34,545.78 = 11,917.14 : x
  2. Step 2: Convert to fraction form
    23,013.45/34,545.78 = 11,917.14/x
  3. Step 3: Cross multiply
    23,013.45x = 34,545.78 × 11,917.14
  4. Step 4: Simplify right side
    23,013.45x = 411,686,896.67
  5. Step 5: Solve for x
    x = 411,686,896.67/23,013.45
  6. Step 6: Final answer
    x = 17,888.97

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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.