Home / 13,961.17-19,266.09-7,587.61

Finding the Fourth Proportional to 13,961.17, 19,266.09 and 7,587.61

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Solution

The fourth proportional to 13,961.17, 19,266.09 and 7,587.61 is: 10,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.17 : 19,266.09 = 7,587.61 : x
  2. Step 2: Convert to fraction form
    13,961.17/19,266.09 = 7,587.61/x
  3. Step 3: Cross multiply
    13,961.17x = 19,266.09 × 7,587.61
  4. Step 4: Simplify right side
    13,961.17x = 146,183,577.14
  5. Step 5: Solve for x
    x = 146,183,577.14/13,961.17
  6. Step 6: Final answer
    x = 10,470.73

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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.