Home / 15,942.36-22,003.16-9,226.84

Finding the Fourth Proportional to 15,942.36, 22,003.16 and 9,226.84

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Solution

The fourth proportional to 15,942.36, 22,003.16 and 9,226.84 is: 12,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.36 : 22,003.16 = 9,226.84 : x
  2. Step 2: Convert to fraction form
    15,942.36/22,003.16 = 9,226.84/x
  3. Step 3: Cross multiply
    15,942.36x = 22,003.16 × 9,226.84
  4. Step 4: Simplify right side
    15,942.36x = 203,019,636.81
  5. Step 5: Solve for x
    x = 203,019,636.81/15,942.36
  6. Step 6: Final answer
    x = 12,734.60

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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.