Home / 53,607.97-80,411.16-13,081.65

Finding the Fourth Proportional to 53,607.97, 80,411.16 and 13,081.65

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Solution

The fourth proportional to 53,607.97, 80,411.16 and 13,081.65 is: 19,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.97 : 80,411.16 = 13,081.65 : x
  2. Step 2: Convert to fraction form
    53,607.97/80,411.16 = 13,081.65/x
  3. Step 3: Cross multiply
    53,607.97x = 80,411.16 × 13,081.65
  4. Step 4: Simplify right side
    53,607.97x = 1,051,910,398.73
  5. Step 5: Solve for x
    x = 1,051,910,398.73/53,607.97
  6. Step 6: Final answer
    x = 19,622.28

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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.