Home / 22,066.78-30,450.90-11,995.18

Finding the Fourth Proportional to 22,066.78, 30,450.90 and 11,995.18

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Solution

The fourth proportional to 22,066.78, 30,450.90 and 11,995.18 is: 16,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.78 : 30,450.90 = 11,995.18 : x
  2. Step 2: Convert to fraction form
    22,066.78/30,450.90 = 11,995.18/x
  3. Step 3: Cross multiply
    22,066.78x = 30,450.90 × 11,995.18
  4. Step 4: Simplify right side
    22,066.78x = 365,264,026.66
  5. Step 5: Solve for x
    x = 365,264,026.66/22,066.78
  6. Step 6: Final answer
    x = 16,552.67

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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.