Home / 22,523.36-31,083.39-12,964.68

Finding the Fourth Proportional to 22,523.36, 31,083.39 and 12,964.68

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Solution

The fourth proportional to 22,523.36, 31,083.39 and 12,964.68 is: 17,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.36 : 31,083.39 = 12,964.68 : x
  2. Step 2: Convert to fraction form
    22,523.36/31,083.39 = 12,964.68/x
  3. Step 3: Cross multiply
    22,523.36x = 31,083.39 × 12,964.68
  4. Step 4: Simplify right side
    22,523.36x = 402,986,204.67
  5. Step 5: Solve for x
    x = 402,986,204.67/22,523.36
  6. Step 6: Final answer
    x = 17,891.93

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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.