Home / 19,784.46-27,281.84-13,061.26

Finding the Fourth Proportional to 19,784.46, 27,281.84 and 13,061.26

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Solution

The fourth proportional to 19,784.46, 27,281.84 and 13,061.26 is: 18,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.46 : 27,281.84 = 13,061.26 : x
  2. Step 2: Convert to fraction form
    19,784.46/27,281.84 = 13,061.26/x
  3. Step 3: Cross multiply
    19,784.46x = 27,281.84 × 13,061.26
  4. Step 4: Simplify right side
    19,784.46x = 356,335,205.52
  5. Step 5: Solve for x
    x = 356,335,205.52/19,784.46
  6. Step 6: Final answer
    x = 18,010.86

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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.