Home / 23,335.56-32,208.48-15,379.20

Finding the Fourth Proportional to 23,335.56, 32,208.48 and 15,379.20

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Solution

The fourth proportional to 23,335.56, 32,208.48 and 15,379.20 is: 21,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,335.56 : 32,208.48 = 15,379.20 : x
  2. Step 2: Convert to fraction form
    23,335.56/32,208.48 = 15,379.20/x
  3. Step 3: Cross multiply
    23,335.56x = 32,208.48 × 15,379.20
  4. Step 4: Simplify right side
    23,335.56x = 495,340,655.62
  5. Step 5: Solve for x
    x = 495,340,655.62/23,335.56
  6. Step 6: Final answer
    x = 21,226.86

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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.