Home / 14,518.99-21,775.89-3,845.42

Finding the Fourth Proportional to 14,518.99, 21,775.89 and 3,845.42

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Solution

The fourth proportional to 14,518.99, 21,775.89 and 3,845.42 is: 5,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.99 : 21,775.89 = 3,845.42 : x
  2. Step 2: Convert to fraction form
    14,518.99/21,775.89 = 3,845.42/x
  3. Step 3: Cross multiply
    14,518.99x = 21,775.89 × 3,845.42
  4. Step 4: Simplify right side
    14,518.99x = 83,737,552.61
  5. Step 5: Solve for x
    x = 83,737,552.61/14,518.99
  6. Step 6: Final answer
    x = 5,767.45

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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.