Home / 26,078.93-39,125.68-8,561.06

Finding the Fourth Proportional to 26,078.93, 39,125.68 and 8,561.06

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Solution

The fourth proportional to 26,078.93, 39,125.68 and 8,561.06 is: 12,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.93 : 39,125.68 = 8,561.06 : x
  2. Step 2: Convert to fraction form
    26,078.93/39,125.68 = 8,561.06/x
  3. Step 3: Cross multiply
    26,078.93x = 39,125.68 × 8,561.06
  4. Step 4: Simplify right side
    26,078.93x = 334,957,271.87
  5. Step 5: Solve for x
    x = 334,957,271.87/26,078.93
  6. Step 6: Final answer
    x = 12,843.98

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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.