Home / 23,991.72-35,972.18-9,961.43

Finding the Fourth Proportional to 23,991.72, 35,972.18 and 9,961.43

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Solution

The fourth proportional to 23,991.72, 35,972.18 and 9,961.43 is: 14,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.72 : 35,972.18 = 9,961.43 : x
  2. Step 2: Convert to fraction form
    23,991.72/35,972.18 = 9,961.43/x
  3. Step 3: Cross multiply
    23,991.72x = 35,972.18 × 9,961.43
  4. Step 4: Simplify right side
    23,991.72x = 358,334,430.50
  5. Step 5: Solve for x
    x = 358,334,430.50/23,991.72
  6. Step 6: Final answer
    x = 14,935.75

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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.