Home / 23,085.74-31,845.84-15,442.22

Finding the Fourth Proportional to 23,085.74, 31,845.84 and 15,442.22

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Solution

The fourth proportional to 23,085.74, 31,845.84 and 15,442.22 is: 21,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.74 : 31,845.84 = 15,442.22 : x
  2. Step 2: Convert to fraction form
    23,085.74/31,845.84 = 15,442.22/x
  3. Step 3: Cross multiply
    23,085.74x = 31,845.84 × 15,442.22
  4. Step 4: Simplify right side
    23,085.74x = 491,770,467.36
  5. Step 5: Solve for x
    x = 491,770,467.36/23,085.74
  6. Step 6: Final answer
    x = 21,301.91

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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.