Home / 19,336.77-26,686.46-11,269.98

Finding the Fourth Proportional to 19,336.77, 26,686.46 and 11,269.98

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Solution

The fourth proportional to 19,336.77, 26,686.46 and 11,269.98 is: 15,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.77 : 26,686.46 = 11,269.98 : x
  2. Step 2: Convert to fraction form
    19,336.77/26,686.46 = 11,269.98/x
  3. Step 3: Cross multiply
    19,336.77x = 26,686.46 × 11,269.98
  4. Step 4: Simplify right side
    19,336.77x = 300,755,870.47
  5. Step 5: Solve for x
    x = 300,755,870.47/19,336.77
  6. Step 6: Final answer
    x = 15,553.57

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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.