Home / 19,299.81-26,640.30-11,344.39

Finding the Fourth Proportional to 19,299.81, 26,640.30 and 11,344.39

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Solution

The fourth proportional to 19,299.81, 26,640.30 and 11,344.39 is: 15,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.81 : 26,640.30 = 11,344.39 : x
  2. Step 2: Convert to fraction form
    19,299.81/26,640.30 = 11,344.39/x
  3. Step 3: Cross multiply
    19,299.81x = 26,640.30 × 11,344.39
  4. Step 4: Simplify right side
    19,299.81x = 302,217,952.92
  5. Step 5: Solve for x
    x = 302,217,952.92/19,299.81
  6. Step 6: Final answer
    x = 15,659.12

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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.