Home / 32,811.90-45,276.33-18,469.95

Finding the Fourth Proportional to 32,811.90, 45,276.33 and 18,469.95

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Solution

The fourth proportional to 32,811.90, 45,276.33 and 18,469.95 is: 25,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.90 : 45,276.33 = 18,469.95 : x
  2. Step 2: Convert to fraction form
    32,811.90/45,276.33 = 18,469.95/x
  3. Step 3: Cross multiply
    32,811.90x = 45,276.33 × 18,469.95
  4. Step 4: Simplify right side
    32,811.90x = 836,251,551.28
  5. Step 5: Solve for x
    x = 836,251,551.28/32,811.90
  6. Step 6: Final answer
    x = 25,486.23

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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.