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Finding the Fourth Proportional to 22,107.94, 30,509.14 and 12,036.45

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Solution

The fourth proportional to 22,107.94, 30,509.14 and 12,036.45 is: 16,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.94 : 30,509.14 = 12,036.45 : x
  2. Step 2: Convert to fraction form
    22,107.94/30,509.14 = 12,036.45/x
  3. Step 3: Cross multiply
    22,107.94x = 30,509.14 × 12,036.45
  4. Step 4: Simplify right side
    22,107.94x = 367,221,738.15
  5. Step 5: Solve for x
    x = 367,221,738.15/22,107.94
  6. Step 6: Final answer
    x = 16,610.40

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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.