Home / 25,089.21-34,624.67-13,911.21

Finding the Fourth Proportional to 25,089.21, 34,624.67 and 13,911.21

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Solution

The fourth proportional to 25,089.21, 34,624.67 and 13,911.21 is: 19,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.21 : 34,624.67 = 13,911.21 : x
  2. Step 2: Convert to fraction form
    25,089.21/34,624.67 = 13,911.21/x
  3. Step 3: Cross multiply
    25,089.21x = 34,624.67 × 13,911.21
  4. Step 4: Simplify right side
    25,089.21x = 481,670,985.99
  5. Step 5: Solve for x
    x = 481,670,985.99/25,089.21
  6. Step 6: Final answer
    x = 19,198.33

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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.