Home / 22,909.34-31,616.84-12,837.65

Finding the Fourth Proportional to 22,909.34, 31,616.84 and 12,837.65

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Solution

The fourth proportional to 22,909.34, 31,616.84 and 12,837.65 is: 17,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.34 : 31,616.84 = 12,837.65 : x
  2. Step 2: Convert to fraction form
    22,909.34/31,616.84 = 12,837.65/x
  3. Step 3: Cross multiply
    22,909.34x = 31,616.84 × 12,837.65
  4. Step 4: Simplify right side
    22,909.34x = 405,885,800.04
  5. Step 5: Solve for x
    x = 405,885,800.04/22,909.34
  6. Step 6: Final answer
    x = 17,717.04

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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.