Home / 19,035.80-26,244.23-15,620.30

Finding the Fourth Proportional to 19,035.80, 26,244.23 and 15,620.30

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Solution

The fourth proportional to 19,035.80, 26,244.23 and 15,620.30 is: 21,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.80 : 26,244.23 = 15,620.30 : x
  2. Step 2: Convert to fraction form
    19,035.80/26,244.23 = 15,620.30/x
  3. Step 3: Cross multiply
    19,035.80x = 26,244.23 × 15,620.30
  4. Step 4: Simplify right side
    19,035.80x = 409,942,745.87
  5. Step 5: Solve for x
    x = 409,942,745.87/19,035.80
  6. Step 6: Final answer
    x = 21,535.36

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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.