Home / 22,883.47-31,573.75-13,317.56

Finding the Fourth Proportional to 22,883.47, 31,573.75 and 13,317.56

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Solution

The fourth proportional to 22,883.47, 31,573.75 and 13,317.56 is: 18,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,883.47 : 31,573.75 = 13,317.56 : x
  2. Step 2: Convert to fraction form
    22,883.47/31,573.75 = 13,317.56/x
  3. Step 3: Cross multiply
    22,883.47x = 31,573.75 × 13,317.56
  4. Step 4: Simplify right side
    22,883.47x = 420,485,310.05
  5. Step 5: Solve for x
    x = 420,485,310.05/22,883.47
  6. Step 6: Final answer
    x = 18,375.07

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1.5x scale

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.