Home / 22,107.08-30,507.32-12,035.72

Finding the Fourth Proportional to 22,107.08, 30,507.32 and 12,035.72

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Solution

The fourth proportional to 22,107.08, 30,507.32 and 12,035.72 is: 16,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.08 : 30,507.32 = 12,035.72 : x
  2. Step 2: Convert to fraction form
    22,107.08/30,507.32 = 12,035.72/x
  3. Step 3: Cross multiply
    22,107.08x = 30,507.32 × 12,035.72
  4. Step 4: Simplify right side
    22,107.08x = 367,177,561.47
  5. Step 5: Solve for x
    x = 367,177,561.47/22,107.08
  6. Step 6: Final answer
    x = 16,609.05

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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.