Home / 22,735.11-31,371.10-12,663.68

Finding the Fourth Proportional to 22,735.11, 31,371.10 and 12,663.68

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Solution

The fourth proportional to 22,735.11, 31,371.10 and 12,663.68 is: 17,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.11 : 31,371.10 = 12,663.68 : x
  2. Step 2: Convert to fraction form
    22,735.11/31,371.10 = 12,663.68/x
  3. Step 3: Cross multiply
    22,735.11x = 31,371.10 × 12,663.68
  4. Step 4: Simplify right side
    22,735.11x = 397,273,383.13
  5. Step 5: Solve for x
    x = 397,273,383.13/22,735.11
  6. Step 6: Final answer
    x = 17,474.00

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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.