Home / 23,455.12-32,370.66-13,386.04

Finding the Fourth Proportional to 23,455.12, 32,370.66 and 13,386.04

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Solution

The fourth proportional to 23,455.12, 32,370.66 and 13,386.04 is: 18,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,455.12 : 32,370.66 = 13,386.04 : x
  2. Step 2: Convert to fraction form
    23,455.12/32,370.66 = 13,386.04/x
  3. Step 3: Cross multiply
    23,455.12x = 32,370.66 × 13,386.04
  4. Step 4: Simplify right side
    23,455.12x = 433,314,949.59
  5. Step 5: Solve for x
    x = 433,314,949.59/23,455.12
  6. Step 6: Final answer
    x = 18,474.22

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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.