Home / 22,041.75-30,416.78-11,969.98

Finding the Fourth Proportional to 22,041.75, 30,416.78 and 11,969.98

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Solution

The fourth proportional to 22,041.75, 30,416.78 and 11,969.98 is: 16,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.75 : 30,416.78 = 11,969.98 : x
  2. Step 2: Convert to fraction form
    22,041.75/30,416.78 = 11,969.98/x
  3. Step 3: Cross multiply
    22,041.75x = 30,416.78 × 11,969.98
  4. Step 4: Simplify right side
    22,041.75x = 364,088,202.15
  5. Step 5: Solve for x
    x = 364,088,202.15/22,041.75
  6. Step 6: Final answer
    x = 16,518.11

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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.