Home / 32,986.28-45,516.12-18,836.12

Finding the Fourth Proportional to 32,986.28, 45,516.12 and 18,836.12

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Solution

The fourth proportional to 32,986.28, 45,516.12 and 18,836.12 is: 25,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986.28 : 45,516.12 = 18,836.12 : x
  2. Step 2: Convert to fraction form
    32,986.28/45,516.12 = 18,836.12/x
  3. Step 3: Cross multiply
    32,986.28x = 45,516.12 × 18,836.12
  4. Step 4: Simplify right side
    32,986.28x = 857,347,098.25
  5. Step 5: Solve for x
    x = 857,347,098.25/32,986.28
  6. Step 6: Final answer
    x = 25,991.02

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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.