Home / 19,679.16-27,155.34-11,294.04

Finding the Fourth Proportional to 19,679.16, 27,155.34 and 11,294.04

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Solution

The fourth proportional to 19,679.16, 27,155.34 and 11,294.04 is: 15,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.16 : 27,155.34 = 11,294.04 : x
  2. Step 2: Convert to fraction form
    19,679.16/27,155.34 = 11,294.04/x
  3. Step 3: Cross multiply
    19,679.16x = 27,155.34 × 11,294.04
  4. Step 4: Simplify right side
    19,679.16x = 306,693,496.17
  5. Step 5: Solve for x
    x = 306,693,496.17/19,679.16
  6. Step 6: Final answer
    x = 15,584.68

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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.