Home / 22,844.56-31,525.48-12,908.56

Finding the Fourth Proportional to 22,844.56, 31,525.48 and 12,908.56

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Solution

The fourth proportional to 22,844.56, 31,525.48 and 12,908.56 is: 17,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,844.56 : 31,525.48 = 12,908.56 : x
  2. Step 2: Convert to fraction form
    22,844.56/31,525.48 = 12,908.56/x
  3. Step 3: Cross multiply
    22,844.56x = 31,525.48 × 12,908.56
  4. Step 4: Simplify right side
    22,844.56x = 406,948,550.11
  5. Step 5: Solve for x
    x = 406,948,550.11/22,844.56
  6. Step 6: Final answer
    x = 17,813.81

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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.