Home / 32,811.00-45,278.78-18,663.81

Finding the Fourth Proportional to 32,811.00, 45,278.78 and 18,663.81

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Solution

The fourth proportional to 32,811.00, 45,278.78 and 18,663.81 is: 25,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.00 : 45,278.78 = 18,663.81 : x
  2. Step 2: Convert to fraction form
    32,811.00/45,278.78 = 18,663.81/x
  3. Step 3: Cross multiply
    32,811.00x = 45,278.78 × 18,663.81
  4. Step 4: Simplify right side
    32,811.00x = 845,074,388.82
  5. Step 5: Solve for x
    x = 845,074,388.82/32,811.00
  6. Step 6: Final answer
    x = 25,755.83

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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.