Home / 26,271.36-39,408.48-10,690.56

Finding the Fourth Proportional to 26,271.36, 39,408.48 and 10,690.56

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Solution

The fourth proportional to 26,271.36, 39,408.48 and 10,690.56 is: 16,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.36 : 39,408.48 = 10,690.56 : x
  2. Step 2: Convert to fraction form
    26,271.36/39,408.48 = 10,690.56/x
  3. Step 3: Cross multiply
    26,271.36x = 39,408.48 × 10,690.56
  4. Step 4: Simplify right side
    26,271.36x = 421,298,719.95
  5. Step 5: Solve for x
    x = 421,298,719.95/26,271.36
  6. Step 6: Final answer
    x = 16,036.43

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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.