Home / 22,244.16-30,699.52-12,812.48

Finding the Fourth Proportional to 22,244.16, 30,699.52 and 12,812.48

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Solution

The fourth proportional to 22,244.16, 30,699.52 and 12,812.48 is: 17,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.16 : 30,699.52 = 12,812.48 : x
  2. Step 2: Convert to fraction form
    22,244.16/30,699.52 = 12,812.48/x
  3. Step 3: Cross multiply
    22,244.16x = 30,699.52 × 12,812.48
  4. Step 4: Simplify right side
    22,244.16x = 393,336,986.01
  5. Step 5: Solve for x
    x = 393,336,986.01/22,244.16
  6. Step 6: Final answer
    x = 17,682.71

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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.