Home / 19,874.62-27,426.40-11,376.46

Finding the Fourth Proportional to 19,874.62, 27,426.40 and 11,376.46

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Solution

The fourth proportional to 19,874.62, 27,426.40 and 11,376.46 is: 15,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.62 : 27,426.40 = 11,376.46 : x
  2. Step 2: Convert to fraction form
    19,874.62/27,426.40 = 11,376.46/x
  3. Step 3: Cross multiply
    19,874.62x = 27,426.40 × 11,376.46
  4. Step 4: Simplify right side
    19,874.62x = 312,015,348.39
  5. Step 5: Solve for x
    x = 312,015,348.39/19,874.62
  6. Step 6: Final answer
    x = 15,699.18

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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.