Home / 15,584.96-21,506.37-8,872.22

Finding the Fourth Proportional to 15,584.96, 21,506.37 and 8,872.22

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Solution

The fourth proportional to 15,584.96, 21,506.37 and 8,872.22 is: 12,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.96 : 21,506.37 = 8,872.22 : x
  2. Step 2: Convert to fraction form
    15,584.96/21,506.37 = 8,872.22/x
  3. Step 3: Cross multiply
    15,584.96x = 21,506.37 × 8,872.22
  4. Step 4: Simplify right side
    15,584.96x = 190,809,246.04
  5. Step 5: Solve for x
    x = 190,809,246.04/15,584.96
  6. Step 6: Final answer
    x = 12,243.17

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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.