Home / 32,980.60-45,515.06-18,838.04

Finding the Fourth Proportional to 32,980.60, 45,515.06 and 18,838.04

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Solution

The fourth proportional to 32,980.60, 45,515.06 and 18,838.04 is: 25,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.60 : 45,515.06 = 18,838.04 : x
  2. Step 2: Convert to fraction form
    32,980.60/45,515.06 = 18,838.04/x
  3. Step 3: Cross multiply
    32,980.60x = 45,515.06 × 18,838.04
  4. Step 4: Simplify right side
    32,980.60x = 857,414,520.88
  5. Step 5: Solve for x
    x = 857,414,520.88/32,980.60
  6. Step 6: Final answer
    x = 25,997.54

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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.