Home / 25,648.83-38,450.36-13,808.99

Finding the Fourth Proportional to 25,648.83, 38,450.36 and 13,808.99

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Solution

The fourth proportional to 25,648.83, 38,450.36 and 13,808.99 is: 20,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.83 : 38,450.36 = 13,808.99 : x
  2. Step 2: Convert to fraction form
    25,648.83/38,450.36 = 13,808.99/x
  3. Step 3: Cross multiply
    25,648.83x = 38,450.36 × 13,808.99
  4. Step 4: Simplify right side
    25,648.83x = 530,960,767.38
  5. Step 5: Solve for x
    x = 530,960,767.38/25,648.83
  6. Step 6: Final answer
    x = 20,701.17

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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.