Home / 22,228.02-30,678.21-12,796.02

Finding the Fourth Proportional to 22,228.02, 30,678.21 and 12,796.02

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Solution

The fourth proportional to 22,228.02, 30,678.21 and 12,796.02 is: 17,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.02 : 30,678.21 = 12,796.02 : x
  2. Step 2: Convert to fraction form
    22,228.02/30,678.21 = 12,796.02/x
  3. Step 3: Cross multiply
    22,228.02x = 30,678.21 × 12,796.02
  4. Step 4: Simplify right side
    22,228.02x = 392,558,988.72
  5. Step 5: Solve for x
    x = 392,558,988.72/22,228.02
  6. Step 6: Final answer
    x = 17,660.55

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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.