Home / 22,222.28-30,666.78-12,150.77

Finding the Fourth Proportional to 22,222.28, 30,666.78 and 12,150.77

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Solution

The fourth proportional to 22,222.28, 30,666.78 and 12,150.77 is: 16,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.28 : 30,666.78 = 12,150.77 : x
  2. Step 2: Convert to fraction form
    22,222.28/30,666.78 = 12,150.77/x
  3. Step 3: Cross multiply
    22,222.28x = 30,666.78 × 12,150.77
  4. Step 4: Simplify right side
    22,222.28x = 372,624,889.16
  5. Step 5: Solve for x
    x = 372,624,889.16/22,222.28
  6. Step 6: Final answer
    x = 16,768.07

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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.