Home / 23,085.44-31,868.56-13,524

Finding the Fourth Proportional to 23,085.44, 31,868.56 and 13,524

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Solution

The fourth proportional to 23,085.44, 31,868.56 and 13,524 is: 18,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.44 : 31,868.56 = 13,524 : x
  2. Step 2: Convert to fraction form
    23,085.44/31,868.56 = 13,524/x
  3. Step 3: Cross multiply
    23,085.44x = 31,868.56 × 13,524
  4. Step 4: Simplify right side
    23,085.44x = 430,990,405.44
  5. Step 5: Solve for x
    x = 430,990,405.44/23,085.44
  6. Step 6: Final answer
    x = 18,669.36

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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.