Home / 22,002.09-30,363.02-11,930.68

Finding the Fourth Proportional to 22,002.09, 30,363.02 and 11,930.68

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Solution

The fourth proportional to 22,002.09, 30,363.02 and 11,930.68 is: 16,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.09 : 30,363.02 = 11,930.68 : x
  2. Step 2: Convert to fraction form
    22,002.09/30,363.02 = 11,930.68/x
  3. Step 3: Cross multiply
    22,002.09x = 30,363.02 × 11,930.68
  4. Step 4: Simplify right side
    22,002.09x = 362,251,475.45
  5. Step 5: Solve for x
    x = 362,251,475.45/22,002.09
  6. Step 6: Final answer
    x = 16,464.41

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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.