Home / 19,950.60-27,531-11,774.16

Finding the Fourth Proportional to 19,950.60, 27,531 and 11,774.16

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Solution

The fourth proportional to 19,950.60, 27,531 and 11,774.16 is: 16,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.60 : 27,531 = 11,774.16 : x
  2. Step 2: Convert to fraction form
    19,950.60/27,531 = 11,774.16/x
  3. Step 3: Cross multiply
    19,950.60x = 27,531 × 11,774.16
  4. Step 4: Simplify right side
    19,950.60x = 324,154,398.96
  5. Step 5: Solve for x
    x = 324,154,398.96/19,950.60
  6. Step 6: Final answer
    x = 16,247.85

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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.