Home / 22,749.66-31,410.54-15,958.12

Finding the Fourth Proportional to 22,749.66, 31,410.54 and 15,958.12

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Solution

The fourth proportional to 22,749.66, 31,410.54 and 15,958.12 is: 22,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.66 : 31,410.54 = 15,958.12 : x
  2. Step 2: Convert to fraction form
    22,749.66/31,410.54 = 15,958.12/x
  3. Step 3: Cross multiply
    22,749.66x = 31,410.54 × 15,958.12
  4. Step 4: Simplify right side
    22,749.66x = 501,252,929.74
  5. Step 5: Solve for x
    x = 501,252,929.74/22,749.66
  6. Step 6: Final answer
    x = 22,033.43

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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.