Home / 26,278.95-39,424.67-7,558.57

Finding the Fourth Proportional to 26,278.95, 39,424.67 and 7,558.57

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Solution

The fourth proportional to 26,278.95, 39,424.67 and 7,558.57 is: 11,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.95 : 39,424.67 = 7,558.57 : x
  2. Step 2: Convert to fraction form
    26,278.95/39,424.67 = 7,558.57/x
  3. Step 3: Cross multiply
    26,278.95x = 39,424.67 × 7,558.57
  4. Step 4: Simplify right side
    26,278.95x = 297,993,893.01
  5. Step 5: Solve for x
    x = 297,993,893.01/26,278.95
  6. Step 6: Final answer
    x = 11,339.64

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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.