Home / 18,926.46-26,118.18-10,969.42

Finding the Fourth Proportional to 18,926.46, 26,118.18 and 10,969.42

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Solution

The fourth proportional to 18,926.46, 26,118.18 and 10,969.42 is: 15,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.46 : 26,118.18 = 10,969.42 : x
  2. Step 2: Convert to fraction form
    18,926.46/26,118.18 = 10,969.42/x
  3. Step 3: Cross multiply
    18,926.46x = 26,118.18 × 10,969.42
  4. Step 4: Simplify right side
    18,926.46x = 286,501,286.06
  5. Step 5: Solve for x
    x = 286,501,286.06/18,926.46
  6. Step 6: Final answer
    x = 15,137.61

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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.