Home / 19,518.84-26,936.10-11,135.34

Finding the Fourth Proportional to 19,518.84, 26,936.10 and 11,135.34

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Solution

The fourth proportional to 19,518.84, 26,936.10 and 11,135.34 is: 15,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.84 : 26,936.10 = 11,135.34 : x
  2. Step 2: Convert to fraction form
    19,518.84/26,936.10 = 11,135.34/x
  3. Step 3: Cross multiply
    19,518.84x = 26,936.10 × 11,135.34
  4. Step 4: Simplify right side
    19,518.84x = 299,942,631.77
  5. Step 5: Solve for x
    x = 299,942,631.77/19,518.84
  6. Step 6: Final answer
    x = 15,366.83

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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.