Home / 19,015.53-26,251.38-11,847.63

Finding the Fourth Proportional to 19,015.53, 26,251.38 and 11,847.63

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Solution

The fourth proportional to 19,015.53, 26,251.38 and 11,847.63 is: 16,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.53 : 26,251.38 = 11,847.63 : x
  2. Step 2: Convert to fraction form
    19,015.53/26,251.38 = 11,847.63/x
  3. Step 3: Cross multiply
    19,015.53x = 26,251.38 × 11,847.63
  4. Step 4: Simplify right side
    19,015.53x = 311,016,637.23
  5. Step 5: Solve for x
    x = 311,016,637.23/19,015.53
  6. Step 6: Final answer
    x = 16,355.93

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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.