Home / 22,252.84-30,716.60-12,825.16

Finding the Fourth Proportional to 22,252.84, 30,716.60 and 12,825.16

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Solution

The fourth proportional to 22,252.84, 30,716.60 and 12,825.16 is: 17,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.84 : 30,716.60 = 12,825.16 : x
  2. Step 2: Convert to fraction form
    22,252.84/30,716.60 = 12,825.16/x
  3. Step 3: Cross multiply
    22,252.84x = 30,716.60 × 12,825.16
  4. Step 4: Simplify right side
    22,252.84x = 393,945,309.66
  5. Step 5: Solve for x
    x = 393,945,309.66/22,252.84
  6. Step 6: Final answer
    x = 17,703.15

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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.