Home / 14,064.39-19,408.34-7,776.87

Finding the Fourth Proportional to 14,064.39, 19,408.34 and 7,776.87

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Solution

The fourth proportional to 14,064.39, 19,408.34 and 7,776.87 is: 10,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.39 : 19,408.34 = 7,776.87 : x
  2. Step 2: Convert to fraction form
    14,064.39/19,408.34 = 7,776.87/x
  3. Step 3: Cross multiply
    14,064.39x = 19,408.34 × 7,776.87
  4. Step 4: Simplify right side
    14,064.39x = 150,936,098.21
  5. Step 5: Solve for x
    x = 150,936,098.21/14,064.39
  6. Step 6: Final answer
    x = 10,731.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.