Home / 26,122.16-39,183.24-8,587.28

Finding the Fourth Proportional to 26,122.16, 39,183.24 and 8,587.28

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Solution

The fourth proportional to 26,122.16, 39,183.24 and 8,587.28 is: 12,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.16 : 39,183.24 = 8,587.28 : x
  2. Step 2: Convert to fraction form
    26,122.16/39,183.24 = 8,587.28/x
  3. Step 3: Cross multiply
    26,122.16x = 39,183.24 × 8,587.28
  4. Step 4: Simplify right side
    26,122.16x = 336,477,453.19
  5. Step 5: Solve for x
    x = 336,477,453.19/26,122.16
  6. Step 6: Final answer
    x = 12,880.92

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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.