Home / 26,125.50-39,189.74-8,357.72

Finding the Fourth Proportional to 26,125.50, 39,189.74 and 8,357.72

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Solution

The fourth proportional to 26,125.50, 39,189.74 and 8,357.72 is: 12,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.50 : 39,189.74 = 8,357.72 : x
  2. Step 2: Convert to fraction form
    26,125.50/39,189.74 = 8,357.72/x
  3. Step 3: Cross multiply
    26,125.50x = 39,189.74 × 8,357.72
  4. Step 4: Simplify right side
    26,125.50x = 327,536,832.00
  5. Step 5: Solve for x
    x = 327,536,832.00/26,125.50
  6. Step 6: Final answer
    x = 12,537.06

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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.