Home / 23,102.44-31,881.38-12,492.07

Finding the Fourth Proportional to 23,102.44, 31,881.38 and 12,492.07

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Solution

The fourth proportional to 23,102.44, 31,881.38 and 12,492.07 is: 17,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.44 : 31,881.38 = 12,492.07 : x
  2. Step 2: Convert to fraction form
    23,102.44/31,881.38 = 12,492.07/x
  3. Step 3: Cross multiply
    23,102.44x = 31,881.38 × 12,492.07
  4. Step 4: Simplify right side
    23,102.44x = 398,264,288.49
  5. Step 5: Solve for x
    x = 398,264,288.49/23,102.44
  6. Step 6: Final answer
    x = 17,239.06

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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.