Home / 14,064.95-19,408.83-7,776.92

Finding the Fourth Proportional to 14,064.95, 19,408.83 and 7,776.92

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Solution

The fourth proportional to 14,064.95, 19,408.83 and 7,776.92 is: 10,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.95 : 19,408.83 = 7,776.92 : x
  2. Step 2: Convert to fraction form
    14,064.95/19,408.83 = 7,776.92/x
  3. Step 3: Cross multiply
    14,064.95x = 19,408.83 × 7,776.92
  4. Step 4: Simplify right side
    14,064.95x = 150,940,918.20
  5. Step 5: Solve for x
    x = 150,940,918.20/14,064.95
  6. Step 6: Final answer
    x = 10,731.71

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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.