Home / 22,116.15-30,520.62-12,045.06

Finding the Fourth Proportional to 22,116.15, 30,520.62 and 12,045.06

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Solution

The fourth proportional to 22,116.15, 30,520.62 and 12,045.06 is: 16,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.15 : 30,520.62 = 12,045.06 : x
  2. Step 2: Convert to fraction form
    22,116.15/30,520.62 = 12,045.06/x
  3. Step 3: Cross multiply
    22,116.15x = 30,520.62 × 12,045.06
  4. Step 4: Simplify right side
    22,116.15x = 367,622,699.14
  5. Step 5: Solve for x
    x = 367,622,699.14/22,116.15
  6. Step 6: Final answer
    x = 16,622.36

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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.