Home / 22,822.91-31,495.53-12,613.65

Finding the Fourth Proportional to 22,822.91, 31,495.53 and 12,613.65

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Solution

The fourth proportional to 22,822.91, 31,495.53 and 12,613.65 is: 17,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,822.91 : 31,495.53 = 12,613.65 : x
  2. Step 2: Convert to fraction form
    22,822.91/31,495.53 = 12,613.65/x
  3. Step 3: Cross multiply
    22,822.91x = 31,495.53 × 12,613.65
  4. Step 4: Simplify right side
    22,822.91x = 397,273,591.98
  5. Step 5: Solve for x
    x = 397,273,591.98/22,822.91
  6. Step 6: Final answer
    x = 17,406.79

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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.