Home / 22,575.33-31,155.07-13,622.68

Finding the Fourth Proportional to 22,575.33, 31,155.07 and 13,622.68

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Solution

The fourth proportional to 22,575.33, 31,155.07 and 13,622.68 is: 18,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.33 : 31,155.07 = 13,622.68 : x
  2. Step 2: Convert to fraction form
    22,575.33/31,155.07 = 13,622.68/x
  3. Step 3: Cross multiply
    22,575.33x = 31,155.07 × 13,622.68
  4. Step 4: Simplify right side
    22,575.33x = 424,415,548.99
  5. Step 5: Solve for x
    x = 424,415,548.99/22,575.33
  6. Step 6: Final answer
    x = 18,799.97

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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.