Home / 22,646.84-31,255.53-13,694.41

Finding the Fourth Proportional to 22,646.84, 31,255.53 and 13,694.41

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Solution

The fourth proportional to 22,646.84, 31,255.53 and 13,694.41 is: 18,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.84 : 31,255.53 = 13,694.41 : x
  2. Step 2: Convert to fraction form
    22,646.84/31,255.53 = 13,694.41/x
  3. Step 3: Cross multiply
    22,646.84x = 31,255.53 × 13,694.41
  4. Step 4: Simplify right side
    22,646.84x = 428,025,974.12
  5. Step 5: Solve for x
    x = 428,025,974.12/22,646.84
  6. Step 6: Final answer
    x = 18,900.03

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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.