Home / 18,952.92-26,155.71-10,999.53

Finding the Fourth Proportional to 18,952.92, 26,155.71 and 10,999.53

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Solution

The fourth proportional to 18,952.92, 26,155.71 and 10,999.53 is: 15,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.92 : 26,155.71 = 10,999.53 : x
  2. Step 2: Convert to fraction form
    18,952.92/26,155.71 = 10,999.53/x
  3. Step 3: Cross multiply
    18,952.92x = 26,155.71 × 10,999.53
  4. Step 4: Simplify right side
    18,952.92x = 287,700,516.82
  5. Step 5: Solve for x
    x = 287,700,516.82/18,952.92
  6. Step 6: Final answer
    x = 15,179.75

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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.