Home / 13,784.76-20,677.27-3,924.04

Finding the Fourth Proportional to 13,784.76, 20,677.27 and 3,924.04

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Solution

The fourth proportional to 13,784.76, 20,677.27 and 3,924.04 is: 5,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.76 : 20,677.27 = 3,924.04 : x
  2. Step 2: Convert to fraction form
    13,784.76/20,677.27 = 3,924.04/x
  3. Step 3: Cross multiply
    13,784.76x = 20,677.27 × 3,924.04
  4. Step 4: Simplify right side
    13,784.76x = 81,138,373.07
  5. Step 5: Solve for x
    x = 81,138,373.07/13,784.76
  6. Step 6: Final answer
    x = 5,886.09

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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.