Home / 18,955.46-26,163.34-10,996.68

Finding the Fourth Proportional to 18,955.46, 26,163.34 and 10,996.68

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Solution

The fourth proportional to 18,955.46, 26,163.34 and 10,996.68 is: 15,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.46 : 26,163.34 = 10,996.68 : x
  2. Step 2: Convert to fraction form
    18,955.46/26,163.34 = 10,996.68/x
  3. Step 3: Cross multiply
    18,955.46x = 26,163.34 × 10,996.68
  4. Step 4: Simplify right side
    18,955.46x = 287,709,877.71
  5. Step 5: Solve for x
    x = 287,709,877.71/18,955.46
  6. Step 6: Final answer
    x = 15,178.21

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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.