Home / 22,816.24-31,486.46-12,880.24

Finding the Fourth Proportional to 22,816.24, 31,486.46 and 12,880.24

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Solution

The fourth proportional to 22,816.24, 31,486.46 and 12,880.24 is: 17,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.24 : 31,486.46 = 12,880.24 : x
  2. Step 2: Convert to fraction form
    22,816.24/31,486.46 = 12,880.24/x
  3. Step 3: Cross multiply
    22,816.24x = 31,486.46 × 12,880.24
  4. Step 4: Simplify right side
    22,816.24x = 405,553,161.55
  5. Step 5: Solve for x
    x = 405,553,161.55/22,816.24
  6. Step 6: Final answer
    x = 17,774.76

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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.