Home / 23,159.72-31,958.86-13,088.60

Finding the Fourth Proportional to 23,159.72, 31,958.86 and 13,088.60

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Solution

The fourth proportional to 23,159.72, 31,958.86 and 13,088.60 is: 18,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.72 : 31,958.86 = 13,088.60 : x
  2. Step 2: Convert to fraction form
    23,159.72/31,958.86 = 13,088.60/x
  3. Step 3: Cross multiply
    23,159.72x = 31,958.86 × 13,088.60
  4. Step 4: Simplify right side
    23,159.72x = 418,296,735.00
  5. Step 5: Solve for x
    x = 418,296,735.00/23,159.72
  6. Step 6: Final answer
    x = 18,061.39

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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.