Home / 23,286.08-32,137.97-13,218.59

Finding the Fourth Proportional to 23,286.08, 32,137.97 and 13,218.59

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Solution

The fourth proportional to 23,286.08, 32,137.97 and 13,218.59 is: 18,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.08 : 32,137.97 = 13,218.59 : x
  2. Step 2: Convert to fraction form
    23,286.08/32,137.97 = 13,218.59/x
  3. Step 3: Cross multiply
    23,286.08x = 32,137.97 × 13,218.59
  4. Step 4: Simplify right side
    23,286.08x = 424,818,663.11
  5. Step 5: Solve for x
    x = 424,818,663.11/23,286.08
  6. Step 6: Final answer
    x = 18,243.46

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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.