Home / 26,009.72-39,014.60-10,216.40

Finding the Fourth Proportional to 26,009.72, 39,014.60 and 10,216.40

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Solution

The fourth proportional to 26,009.72, 39,014.60 and 10,216.40 is: 15,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,009.72 : 39,014.60 = 10,216.40 : x
  2. Step 2: Convert to fraction form
    26,009.72/39,014.60 = 10,216.40/x
  3. Step 3: Cross multiply
    26,009.72x = 39,014.60 × 10,216.40
  4. Step 4: Simplify right side
    26,009.72x = 398,588,759.44
  5. Step 5: Solve for x
    x = 398,588,759.44/26,009.72
  6. Step 6: Final answer
    x = 15,324.61

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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.