Home / 22,598.67-31,198.71-15,439.28

Finding the Fourth Proportional to 22,598.67, 31,198.71 and 15,439.28

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Solution

The fourth proportional to 22,598.67, 31,198.71 and 15,439.28 is: 21,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,598.67 : 31,198.71 = 15,439.28 : x
  2. Step 2: Convert to fraction form
    22,598.67/31,198.71 = 15,439.28/x
  3. Step 3: Cross multiply
    22,598.67x = 31,198.71 × 15,439.28
  4. Step 4: Simplify right side
    22,598.67x = 481,685,741.05
  5. Step 5: Solve for x
    x = 481,685,741.05/22,598.67
  6. Step 6: Final answer
    x = 21,314.78

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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.