Home / 22,270.94-30,732.99-13,316.69

Finding the Fourth Proportional to 22,270.94, 30,732.99 and 13,316.69

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Solution

The fourth proportional to 22,270.94, 30,732.99 and 13,316.69 is: 18,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.94 : 30,732.99 = 13,316.69 : x
  2. Step 2: Convert to fraction form
    22,270.94/30,732.99 = 13,316.69/x
  3. Step 3: Cross multiply
    22,270.94x = 30,732.99 × 13,316.69
  4. Step 4: Simplify right side
    22,270.94x = 409,261,546.94
  5. Step 5: Solve for x
    x = 409,261,546.94/22,270.94
  6. Step 6: Final answer
    x = 18,376.49

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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.