Home / 23,402.15-32,291.22-13,330.78

Finding the Fourth Proportional to 23,402.15, 32,291.22 and 13,330.78

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Solution

The fourth proportional to 23,402.15, 32,291.22 and 13,330.78 is: 18,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,402.15 : 32,291.22 = 13,330.78 : x
  2. Step 2: Convert to fraction form
    23,402.15/32,291.22 = 13,330.78/x
  3. Step 3: Cross multiply
    23,402.15x = 32,291.22 × 13,330.78
  4. Step 4: Simplify right side
    23,402.15x = 430,467,119.01
  5. Step 5: Solve for x
    x = 430,467,119.01/23,402.15
  6. Step 6: Final answer
    x = 18,394.34

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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.