Home / 22,607.13-31,198.21-12,535.99

Finding the Fourth Proportional to 22,607.13, 31,198.21 and 12,535.99

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Solution

The fourth proportional to 22,607.13, 31,198.21 and 12,535.99 is: 17,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.13 : 31,198.21 = 12,535.99 : x
  2. Step 2: Convert to fraction form
    22,607.13/31,198.21 = 12,535.99/x
  3. Step 3: Cross multiply
    22,607.13x = 31,198.21 × 12,535.99
  4. Step 4: Simplify right side
    22,607.13x = 391,100,448.58
  5. Step 5: Solve for x
    x = 391,100,448.58/22,607.13
  6. Step 6: Final answer
    x = 17,299.87

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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.