Home / 23,403.45-35,119.05-8,622.72

Finding the Fourth Proportional to 23,403.45, 35,119.05 and 8,622.72

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Solution

The fourth proportional to 23,403.45, 35,119.05 and 8,622.72 is: 12,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,403.45 : 35,119.05 = 8,622.72 : x
  2. Step 2: Convert to fraction form
    23,403.45/35,119.05 = 8,622.72/x
  3. Step 3: Cross multiply
    23,403.45x = 35,119.05 × 8,622.72
  4. Step 4: Simplify right side
    23,403.45x = 302,821,734.82
  5. Step 5: Solve for x
    x = 302,821,734.82/23,403.45
  6. Step 6: Final answer
    x = 12,939.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.