Home / 22,865.19-31,553.70-12,793.65

Finding the Fourth Proportional to 22,865.19, 31,553.70 and 12,793.65

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Solution

The fourth proportional to 22,865.19, 31,553.70 and 12,793.65 is: 17,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.19 : 31,553.70 = 12,793.65 : x
  2. Step 2: Convert to fraction form
    22,865.19/31,553.70 = 12,793.65/x
  3. Step 3: Cross multiply
    22,865.19x = 31,553.70 × 12,793.65
  4. Step 4: Simplify right side
    22,865.19x = 403,686,899.67
  5. Step 5: Solve for x
    x = 403,686,899.67/22,865.19
  6. Step 6: Final answer
    x = 17,655.09

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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.