Home / 32,778.60-45,234.30-18,634.18

Finding the Fourth Proportional to 32,778.60, 45,234.30 and 18,634.18

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Solution

The fourth proportional to 32,778.60, 45,234.30 and 18,634.18 is: 25,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.60 : 45,234.30 = 18,634.18 : x
  2. Step 2: Convert to fraction form
    32,778.60/45,234.30 = 18,634.18/x
  3. Step 3: Cross multiply
    32,778.60x = 45,234.30 × 18,634.18
  4. Step 4: Simplify right side
    32,778.60x = 842,904,088.37
  5. Step 5: Solve for x
    x = 842,904,088.37/32,778.60
  6. Step 6: Final answer
    x = 25,715.07

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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.