Home / 32,976.11-45,507.87-18,830.27

Finding the Fourth Proportional to 32,976.11, 45,507.87 and 18,830.27

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Solution

The fourth proportional to 32,976.11, 45,507.87 and 18,830.27 is: 25,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.11 : 45,507.87 = 18,830.27 : x
  2. Step 2: Convert to fraction form
    32,976.11/45,507.87 = 18,830.27/x
  3. Step 3: Cross multiply
    32,976.11x = 45,507.87 × 18,830.27
  4. Step 4: Simplify right side
    32,976.11x = 856,925,251.69
  5. Step 5: Solve for x
    x = 856,925,251.69/32,976.11
  6. Step 6: Final answer
    x = 25,986.25

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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.