Home / 26,129.93-39,165.72-11,316.65

Finding the Fourth Proportional to 26,129.93, 39,165.72 and 11,316.65

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Solution

The fourth proportional to 26,129.93, 39,165.72 and 11,316.65 is: 16,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.93 : 39,165.72 = 11,316.65 : x
  2. Step 2: Convert to fraction form
    26,129.93/39,165.72 = 11,316.65/x
  3. Step 3: Cross multiply
    26,129.93x = 39,165.72 × 11,316.65
  4. Step 4: Simplify right side
    26,129.93x = 443,224,745.24
  5. Step 5: Solve for x
    x = 443,224,745.24/26,129.93
  6. Step 6: Final answer
    x = 16,962.34

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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.