Home / 22,525.44-31,085.74-12,454.56

Finding the Fourth Proportional to 22,525.44, 31,085.74 and 12,454.56

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Solution

The fourth proportional to 22,525.44, 31,085.74 and 12,454.56 is: 17,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.44 : 31,085.74 = 12,454.56 : x
  2. Step 2: Convert to fraction form
    22,525.44/31,085.74 = 12,454.56/x
  3. Step 3: Cross multiply
    22,525.44x = 31,085.74 × 12,454.56
  4. Step 4: Simplify right side
    22,525.44x = 387,159,213.97
  5. Step 5: Solve for x
    x = 387,159,213.97/22,525.44
  6. Step 6: Final answer
    x = 17,187.64

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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.