Home / 15,956.64-22,021.41-9,242.37

Finding the Fourth Proportional to 15,956.64, 22,021.41 and 9,242.37

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Solution

The fourth proportional to 15,956.64, 22,021.41 and 9,242.37 is: 12,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.64 : 22,021.41 = 9,242.37 : x
  2. Step 2: Convert to fraction form
    15,956.64/22,021.41 = 9,242.37/x
  3. Step 3: Cross multiply
    15,956.64x = 22,021.41 × 9,242.37
  4. Step 4: Simplify right side
    15,956.64x = 203,530,019.14
  5. Step 5: Solve for x
    x = 203,530,019.14/15,956.64
  6. Step 6: Final answer
    x = 12,755.19

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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.