Home / 28,410.93-39,190.83-17,782.11

Finding the Fourth Proportional to 28,410.93, 39,190.83 and 17,782.11

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Solution

The fourth proportional to 28,410.93, 39,190.83 and 17,782.11 is: 24,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.93 : 39,190.83 = 17,782.11 : x
  2. Step 2: Convert to fraction form
    28,410.93/39,190.83 = 17,782.11/x
  3. Step 3: Cross multiply
    28,410.93x = 39,190.83 × 17,782.11
  4. Step 4: Simplify right side
    28,410.93x = 696,895,650.05
  5. Step 5: Solve for x
    x = 696,895,650.05/28,410.93
  6. Step 6: Final answer
    x = 24,529.14

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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.