Home / 19,089.96-28,648.82-14,415.75

Finding the Fourth Proportional to 19,089.96, 28,648.82 and 14,415.75

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Solution

The fourth proportional to 19,089.96, 28,648.82 and 14,415.75 is: 21,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.96 : 28,648.82 = 14,415.75 : x
  2. Step 2: Convert to fraction form
    19,089.96/28,648.82 = 14,415.75/x
  3. Step 3: Cross multiply
    19,089.96x = 28,648.82 × 14,415.75
  4. Step 4: Simplify right side
    19,089.96x = 412,994,154.84
  5. Step 5: Solve for x
    x = 412,994,154.84/19,089.96
  6. Step 6: Final answer
    x = 21,634.10

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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.