Home / 23,150.24-31,948.80-13,716.80

Finding the Fourth Proportional to 23,150.24, 31,948.80 and 13,716.80

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Solution

The fourth proportional to 23,150.24, 31,948.80 and 13,716.80 is: 18,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.24 : 31,948.80 = 13,716.80 : x
  2. Step 2: Convert to fraction form
    23,150.24/31,948.80 = 13,716.80/x
  3. Step 3: Cross multiply
    23,150.24x = 31,948.80 × 13,716.80
  4. Step 4: Simplify right side
    23,150.24x = 438,235,299.84
  5. Step 5: Solve for x
    x = 438,235,299.84/23,150.24
  6. Step 6: Final answer
    x = 18,930.05

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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.