Home / 15,448.31-23,117.09-13,375.46

Finding the Fourth Proportional to 15,448.31, 23,117.09 and 13,375.46

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Solution

The fourth proportional to 15,448.31, 23,117.09 and 13,375.46 is: 20,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.31 : 23,117.09 = 13,375.46 : x
  2. Step 2: Convert to fraction form
    15,448.31/23,117.09 = 13,375.46/x
  3. Step 3: Cross multiply
    15,448.31x = 23,117.09 × 13,375.46
  4. Step 4: Simplify right side
    15,448.31x = 309,201,530.15
  5. Step 5: Solve for x
    x = 309,201,530.15/15,448.31
  6. Step 6: Final answer
    x = 20,015.24

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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.