Home / 23,188.24-31,999.62-12,577.78

Finding the Fourth Proportional to 23,188.24, 31,999.62 and 12,577.78

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Solution

The fourth proportional to 23,188.24, 31,999.62 and 12,577.78 is: 17,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.24 : 31,999.62 = 12,577.78 : x
  2. Step 2: Convert to fraction form
    23,188.24/31,999.62 = 12,577.78/x
  3. Step 3: Cross multiply
    23,188.24x = 31,999.62 × 12,577.78
  4. Step 4: Simplify right side
    23,188.24x = 402,484,180.44
  5. Step 5: Solve for x
    x = 402,484,180.44/23,188.24
  6. Step 6: Final answer
    x = 17,357.25

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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.