Home / 23,102.73-31,881.79-12,492.36

Finding the Fourth Proportional to 23,102.73, 31,881.79 and 12,492.36

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Solution

The fourth proportional to 23,102.73, 31,881.79 and 12,492.36 is: 17,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.73 : 31,881.79 = 12,492.36 : x
  2. Step 2: Convert to fraction form
    23,102.73/31,881.79 = 12,492.36/x
  3. Step 3: Cross multiply
    23,102.73x = 31,881.79 × 12,492.36
  4. Step 4: Simplify right side
    23,102.73x = 398,278,798.12
  5. Step 5: Solve for x
    x = 398,278,798.12/23,102.73
  6. Step 6: Final answer
    x = 17,239.47

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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.