Home / 18,851.50-26,015.52-10,785.92

Finding the Fourth Proportional to 18,851.50, 26,015.52 and 10,785.92

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Solution

The fourth proportional to 18,851.50, 26,015.52 and 10,785.92 is: 14,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.50 : 26,015.52 = 10,785.92 : x
  2. Step 2: Convert to fraction form
    18,851.50/26,015.52 = 10,785.92/x
  3. Step 3: Cross multiply
    18,851.50x = 26,015.52 × 10,785.92
  4. Step 4: Simplify right side
    18,851.50x = 280,601,317.48
  5. Step 5: Solve for x
    x = 280,601,317.48/18,851.50
  6. Step 6: Final answer
    x = 14,884.83

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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.