Home / 19,204.90-28,787.60-13,926.74

Finding the Fourth Proportional to 19,204.90, 28,787.60 and 13,926.74

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Solution

The fourth proportional to 19,204.90, 28,787.60 and 13,926.74 is: 20,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.90 : 28,787.60 = 13,926.74 : x
  2. Step 2: Convert to fraction form
    19,204.90/28,787.60 = 13,926.74/x
  3. Step 3: Cross multiply
    19,204.90x = 28,787.60 × 13,926.74
  4. Step 4: Simplify right side
    19,204.90x = 400,917,311.30
  5. Step 5: Solve for x
    x = 400,917,311.30/19,204.90
  6. Step 6: Final answer
    x = 20,875.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.