Home / 26,203.87-39,321.90-10,406.13

Finding the Fourth Proportional to 26,203.87, 39,321.90 and 10,406.13

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Solution

The fourth proportional to 26,203.87, 39,321.90 and 10,406.13 is: 15,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.87 : 39,321.90 = 10,406.13 : x
  2. Step 2: Convert to fraction form
    26,203.87/39,321.90 = 10,406.13/x
  3. Step 3: Cross multiply
    26,203.87x = 39,321.90 × 10,406.13
  4. Step 4: Simplify right side
    26,203.87x = 409,188,803.25
  5. Step 5: Solve for x
    x = 409,188,803.25/26,203.87
  6. Step 6: Final answer
    x = 15,615.59

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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.