Home / 16,738.85-23,099.40-9,665.12

Finding the Fourth Proportional to 16,738.85, 23,099.40 and 9,665.12

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Solution

The fourth proportional to 16,738.85, 23,099.40 and 9,665.12 is: 13,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,738.85 : 23,099.40 = 9,665.12 : x
  2. Step 2: Convert to fraction form
    16,738.85/23,099.40 = 9,665.12/x
  3. Step 3: Cross multiply
    16,738.85x = 23,099.40 × 9,665.12
  4. Step 4: Simplify right side
    16,738.85x = 223,258,530.68
  5. Step 5: Solve for x
    x = 223,258,530.68/16,738.85
  6. Step 6: Final answer
    x = 13,337.74

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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.