Home / 17,122.08-25,682.85-5,435.16

Finding the Fourth Proportional to 17,122.08, 25,682.85 and 5,435.16

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Solution

The fourth proportional to 17,122.08, 25,682.85 and 5,435.16 is: 8,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.08 : 25,682.85 = 5,435.16 : x
  2. Step 2: Convert to fraction form
    17,122.08/25,682.85 = 5,435.16/x
  3. Step 3: Cross multiply
    17,122.08x = 25,682.85 × 5,435.16
  4. Step 4: Simplify right side
    17,122.08x = 139,590,399.01
  5. Step 5: Solve for x
    x = 139,590,399.01/17,122.08
  6. Step 6: Final answer
    x = 8,152.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.