Home / 22,081.11-30,471.64-12,009.33

Finding the Fourth Proportional to 22,081.11, 30,471.64 and 12,009.33

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Solution

The fourth proportional to 22,081.11, 30,471.64 and 12,009.33 is: 16,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.11 : 30,471.64 = 12,009.33 : x
  2. Step 2: Convert to fraction form
    22,081.11/30,471.64 = 12,009.33/x
  3. Step 3: Cross multiply
    22,081.11x = 30,471.64 × 12,009.33
  4. Step 4: Simplify right side
    22,081.11x = 365,943,980.40
  5. Step 5: Solve for x
    x = 365,943,980.40/22,081.11
  6. Step 6: Final answer
    x = 16,572.72

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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.