Home / 18,971.64-26,180.37-10,474.38

Finding the Fourth Proportional to 18,971.64, 26,180.37 and 10,474.38

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Solution

The fourth proportional to 18,971.64, 26,180.37 and 10,474.38 is: 14,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.64 : 26,180.37 = 10,474.38 : x
  2. Step 2: Convert to fraction form
    18,971.64/26,180.37 = 10,474.38/x
  3. Step 3: Cross multiply
    18,971.64x = 26,180.37 × 10,474.38
  4. Step 4: Simplify right side
    18,971.64x = 274,223,143.92
  5. Step 5: Solve for x
    x = 274,223,143.92/18,971.64
  6. Step 6: Final answer
    x = 14,454.37

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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.