Home / 16,715.18-23,063.53-9,906.20

Finding the Fourth Proportional to 16,715.18, 23,063.53 and 9,906.20

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Solution

The fourth proportional to 16,715.18, 23,063.53 and 9,906.20 is: 13,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.18 : 23,063.53 = 9,906.20 : x
  2. Step 2: Convert to fraction form
    16,715.18/23,063.53 = 9,906.20/x
  3. Step 3: Cross multiply
    16,715.18x = 23,063.53 × 9,906.20
  4. Step 4: Simplify right side
    16,715.18x = 228,471,825.57
  5. Step 5: Solve for x
    x = 228,471,825.57/16,715.18
  6. Step 6: Final answer
    x = 13,668.53

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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.