Home / 39,825.65-59,701.08-13,511.99

Finding the Fourth Proportional to 39,825.65, 59,701.08 and 13,511.99

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Solution

The fourth proportional to 39,825.65, 59,701.08 and 13,511.99 is: 20,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,825.65 : 59,701.08 = 13,511.99 : x
  2. Step 2: Convert to fraction form
    39,825.65/59,701.08 = 13,511.99/x
  3. Step 3: Cross multiply
    39,825.65x = 59,701.08 × 13,511.99
  4. Step 4: Simplify right side
    39,825.65x = 806,680,395.95
  5. Step 5: Solve for x
    x = 806,680,395.95/39,825.65
  6. Step 6: Final answer
    x = 20,255.30

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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.