Home / 22,942.36-31,679.13-18,694.05

Finding the Fourth Proportional to 22,942.36, 31,679.13 and 18,694.05

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Solution

The fourth proportional to 22,942.36, 31,679.13 and 18,694.05 is: 25,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,942.36 : 31,679.13 = 18,694.05 : x
  2. Step 2: Convert to fraction form
    22,942.36/31,679.13 = 18,694.05/x
  3. Step 3: Cross multiply
    22,942.36x = 31,679.13 × 18,694.05
  4. Step 4: Simplify right side
    22,942.36x = 592,211,240.18
  5. Step 5: Solve for x
    x = 592,211,240.18/22,942.36
  6. Step 6: Final answer
    x = 25,813.00

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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.