Home / 26,123.85-39,185.43-6,402.57

Finding the Fourth Proportional to 26,123.85, 39,185.43 and 6,402.57

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Solution

The fourth proportional to 26,123.85, 39,185.43 and 6,402.57 is: 9,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.85 : 39,185.43 = 6,402.57 : x
  2. Step 2: Convert to fraction form
    26,123.85/39,185.43 = 6,402.57/x
  3. Step 3: Cross multiply
    26,123.85x = 39,185.43 × 6,402.57
  4. Step 4: Simplify right side
    26,123.85x = 250,887,458.56
  5. Step 5: Solve for x
    x = 250,887,458.56/26,123.85
  6. Step 6: Final answer
    x = 9,603.77

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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.