Home / 26,131.11-39,184.70-8,358.32

Finding the Fourth Proportional to 26,131.11, 39,184.70 and 8,358.32

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Solution

The fourth proportional to 26,131.11, 39,184.70 and 8,358.32 is: 12,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.11 : 39,184.70 = 8,358.32 : x
  2. Step 2: Convert to fraction form
    26,131.11/39,184.70 = 8,358.32/x
  3. Step 3: Cross multiply
    26,131.11x = 39,184.70 × 8,358.32
  4. Step 4: Simplify right side
    26,131.11x = 327,518,317.87
  5. Step 5: Solve for x
    x = 327,518,317.87/26,131.11
  6. Step 6: Final answer
    x = 12,533.66

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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.