Home / 25,680.00-38,528.75-13,834.99

Finding the Fourth Proportional to 25,680.00, 38,528.75 and 13,834.99

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Solution

The fourth proportional to 25,680.00, 38,528.75 and 13,834.99 is: 20,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.00 : 38,528.75 = 13,834.99 : x
  2. Step 2: Convert to fraction form
    25,680.00/38,528.75 = 13,834.99/x
  3. Step 3: Cross multiply
    25,680.00x = 38,528.75 × 13,834.99
  4. Step 4: Simplify right side
    25,680.00x = 533,044,712.91
  5. Step 5: Solve for x
    x = 533,044,712.91/25,680.00
  6. Step 6: Final answer
    x = 20,757.19

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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.