Home / 26,235.30-39,342.78-8,700.42

Finding the Fourth Proportional to 26,235.30, 39,342.78 and 8,700.42

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Solution

The fourth proportional to 26,235.30, 39,342.78 and 8,700.42 is: 13,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,235.30 : 39,342.78 = 8,700.42 : x
  2. Step 2: Convert to fraction form
    26,235.30/39,342.78 = 8,700.42/x
  3. Step 3: Cross multiply
    26,235.30x = 39,342.78 × 8,700.42
  4. Step 4: Simplify right side
    26,235.30x = 342,298,709.97
  5. Step 5: Solve for x
    x = 342,298,709.97/26,235.30
  6. Step 6: Final answer
    x = 13,047.26

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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.