Home / 13,336.44-19,981.71-6,663.93

Finding the Fourth Proportional to 13,336.44, 19,981.71 and 6,663.93

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Solution

The fourth proportional to 13,336.44, 19,981.71 and 6,663.93 is: 9,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.44 : 19,981.71 = 6,663.93 : x
  2. Step 2: Convert to fraction form
    13,336.44/19,981.71 = 6,663.93/x
  3. Step 3: Cross multiply
    13,336.44x = 19,981.71 × 6,663.93
  4. Step 4: Simplify right side
    13,336.44x = 133,156,716.72
  5. Step 5: Solve for x
    x = 133,156,716.72/13,336.44
  6. Step 6: Final answer
    x = 9,984.43

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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.