Home / 14,229.85-19,618.93-11,668.17

Finding the Fourth Proportional to 14,229.85, 19,618.93 and 11,668.17

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Solution

The fourth proportional to 14,229.85, 19,618.93 and 11,668.17 is: 16,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.85 : 19,618.93 = 11,668.17 : x
  2. Step 2: Convert to fraction form
    14,229.85/19,618.93 = 11,668.17/x
  3. Step 3: Cross multiply
    14,229.85x = 19,618.93 × 11,668.17
  4. Step 4: Simplify right side
    14,229.85x = 228,916,951.47
  5. Step 5: Solve for x
    x = 228,916,951.47/14,229.85
  6. Step 6: Final answer
    x = 16,087.10

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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.