Home / 43,564.08-65,331.51-13,974.89

Finding the Fourth Proportional to 43,564.08, 65,331.51 and 13,974.89

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Solution

The fourth proportional to 43,564.08, 65,331.51 and 13,974.89 is: 20,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.08 : 65,331.51 = 13,974.89 : x
  2. Step 2: Convert to fraction form
    43,564.08/65,331.51 = 13,974.89/x
  3. Step 3: Cross multiply
    43,564.08x = 65,331.51 × 13,974.89
  4. Step 4: Simplify right side
    43,564.08x = 913,000,339.13
  5. Step 5: Solve for x
    x = 913,000,339.13/43,564.08
  6. Step 6: Final answer
    x = 20,957.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.