Home / 19,991.95-29,922.82-14,724.89

Finding the Fourth Proportional to 19,991.95, 29,922.82 and 14,724.89

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Solution

The fourth proportional to 19,991.95, 29,922.82 and 14,724.89 is: 22,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.95 : 29,922.82 = 14,724.89 : x
  2. Step 2: Convert to fraction form
    19,991.95/29,922.82 = 14,724.89/x
  3. Step 3: Cross multiply
    19,991.95x = 29,922.82 × 14,724.89
  4. Step 4: Simplify right side
    19,991.95x = 440,610,232.99
  5. Step 5: Solve for x
    x = 440,610,232.99/19,991.95
  6. Step 6: Final answer
    x = 22,039.38

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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.