Home / 32,680.53-45,098.57-18,340.70

Finding the Fourth Proportional to 32,680.53, 45,098.57 and 18,340.70

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Solution

The fourth proportional to 32,680.53, 45,098.57 and 18,340.70 is: 25,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.53 : 45,098.57 = 18,340.70 : x
  2. Step 2: Convert to fraction form
    32,680.53/45,098.57 = 18,340.70/x
  3. Step 3: Cross multiply
    32,680.53x = 45,098.57 × 18,340.70
  4. Step 4: Simplify right side
    32,680.53x = 827,139,025.60
  5. Step 5: Solve for x
    x = 827,139,025.60/32,680.53
  6. Step 6: Final answer
    x = 25,309.84

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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.