Home / 22,305.16-30,780.48-12,233.26

Finding the Fourth Proportional to 22,305.16, 30,780.48 and 12,233.26

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Solution

The fourth proportional to 22,305.16, 30,780.48 and 12,233.26 is: 16,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.16 : 30,780.48 = 12,233.26 : x
  2. Step 2: Convert to fraction form
    22,305.16/30,780.48 = 12,233.26/x
  3. Step 3: Cross multiply
    22,305.16x = 30,780.48 × 12,233.26
  4. Step 4: Simplify right side
    22,305.16x = 376,545,614.76
  5. Step 5: Solve for x
    x = 376,545,614.76/22,305.16
  6. Step 6: Final answer
    x = 16,881.55

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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.