Home / 32,921.20-49,380.60-13,194.40

Finding the Fourth Proportional to 32,921.20, 49,380.60 and 13,194.40

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Solution

The fourth proportional to 32,921.20, 49,380.60 and 13,194.40 is: 19,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.20 : 49,380.60 = 13,194.40 : x
  2. Step 2: Convert to fraction form
    32,921.20/49,380.60 = 13,194.40/x
  3. Step 3: Cross multiply
    32,921.20x = 49,380.60 × 13,194.40
  4. Step 4: Simplify right side
    32,921.20x = 651,547,388.64
  5. Step 5: Solve for x
    x = 651,547,388.64/32,921.20
  6. Step 6: Final answer
    x = 19,791.12

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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.