Home / 14,329.98-19,778.58-10,101.78

Finding the Fourth Proportional to 14,329.98, 19,778.58 and 10,101.78

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Solution

The fourth proportional to 14,329.98, 19,778.58 and 10,101.78 is: 13,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.98 : 19,778.58 = 10,101.78 : x
  2. Step 2: Convert to fraction form
    14,329.98/19,778.58 = 10,101.78/x
  3. Step 3: Cross multiply
    14,329.98x = 19,778.58 × 10,101.78
  4. Step 4: Simplify right side
    14,329.98x = 199,798,863.87
  5. Step 5: Solve for x
    x = 199,798,863.87/14,329.98
  6. Step 6: Final answer
    x = 13,942.72

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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.