Home / 23,164.16-31,965.68-12,553.56

Finding the Fourth Proportional to 23,164.16, 31,965.68 and 12,553.56

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Solution

The fourth proportional to 23,164.16, 31,965.68 and 12,553.56 is: 17,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.16 : 31,965.68 = 12,553.56 : x
  2. Step 2: Convert to fraction form
    23,164.16/31,965.68 = 12,553.56/x
  3. Step 3: Cross multiply
    23,164.16x = 31,965.68 × 12,553.56
  4. Step 4: Simplify right side
    23,164.16x = 401,283,233.08
  5. Step 5: Solve for x
    x = 401,283,233.08/23,164.16
  6. Step 6: Final answer
    x = 17,323.45

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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.