Home / 32,908.08-45,406.80-18,760.56

Finding the Fourth Proportional to 32,908.08, 45,406.80 and 18,760.56

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Solution

The fourth proportional to 32,908.08, 45,406.80 and 18,760.56 is: 25,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,908.08 : 45,406.80 = 18,760.56 : x
  2. Step 2: Convert to fraction form
    32,908.08/45,406.80 = 18,760.56/x
  3. Step 3: Cross multiply
    32,908.08x = 45,406.80 × 18,760.56
  4. Step 4: Simplify right side
    32,908.08x = 851,856,995.81
  5. Step 5: Solve for x
    x = 851,856,995.81/32,908.08
  6. Step 6: Final answer
    x = 25,885.95

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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.