Home / 22,116.06-30,520.70-12,045.04

Finding the Fourth Proportional to 22,116.06, 30,520.70 and 12,045.04

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Solution

The fourth proportional to 22,116.06, 30,520.70 and 12,045.04 is: 16,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.06 : 30,520.70 = 12,045.04 : x
  2. Step 2: Convert to fraction form
    22,116.06/30,520.70 = 12,045.04/x
  3. Step 3: Cross multiply
    22,116.06x = 30,520.70 × 12,045.04
  4. Step 4: Simplify right side
    22,116.06x = 367,623,052.33
  5. Step 5: Solve for x
    x = 367,623,052.33/22,116.06
  6. Step 6: Final answer
    x = 16,622.45

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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.