Home / 23,301.12-32,163.60-13,740.72

Finding the Fourth Proportional to 23,301.12, 32,163.60 and 13,740.72

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Solution

The fourth proportional to 23,301.12, 32,163.60 and 13,740.72 is: 18,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,301.12 : 32,163.60 = 13,740.72 : x
  2. Step 2: Convert to fraction form
    23,301.12/32,163.60 = 13,740.72/x
  3. Step 3: Cross multiply
    23,301.12x = 32,163.60 × 13,740.72
  4. Step 4: Simplify right side
    23,301.12x = 441,951,021.79
  5. Step 5: Solve for x
    x = 441,951,021.79/23,301.12
  6. Step 6: Final answer
    x = 18,966.94

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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.