Home / 23,129.22-34,693.83-13,247.40

Finding the Fourth Proportional to 23,129.22, 34,693.83 and 13,247.40

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Solution

The fourth proportional to 23,129.22, 34,693.83 and 13,247.40 is: 19,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.22 : 34,693.83 = 13,247.40 : x
  2. Step 2: Convert to fraction form
    23,129.22/34,693.83 = 13,247.40/x
  3. Step 3: Cross multiply
    23,129.22x = 34,693.83 × 13,247.40
  4. Step 4: Simplify right side
    23,129.22x = 459,603,043.54
  5. Step 5: Solve for x
    x = 459,603,043.54/23,129.22
  6. Step 6: Final answer
    x = 19,871.10

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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.