Home / 23,110.56-31,906.26-15,166.68

Finding the Fourth Proportional to 23,110.56, 31,906.26 and 15,166.68

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Solution

The fourth proportional to 23,110.56, 31,906.26 and 15,166.68 is: 20,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.56 : 31,906.26 = 15,166.68 : x
  2. Step 2: Convert to fraction form
    23,110.56/31,906.26 = 15,166.68/x
  3. Step 3: Cross multiply
    23,110.56x = 31,906.26 × 15,166.68
  4. Step 4: Simplify right side
    23,110.56x = 483,912,035.42
  5. Step 5: Solve for x
    x = 483,912,035.42/23,110.56
  6. Step 6: Final answer
    x = 20,939.00

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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.