Home / 23,656.08-35,480.88-13,800

Finding the Fourth Proportional to 23,656.08, 35,480.88 and 13,800

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Solution

The fourth proportional to 23,656.08, 35,480.88 and 13,800 is: 20,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,656.08 : 35,480.88 = 13,800 : x
  2. Step 2: Convert to fraction form
    23,656.08/35,480.88 = 13,800/x
  3. Step 3: Cross multiply
    23,656.08x = 35,480.88 × 13,800
  4. Step 4: Simplify right side
    23,656.08x = 489,636,144.00
  5. Step 5: Solve for x
    x = 489,636,144.00/23,656.08
  6. Step 6: Final answer
    x = 20,698.11

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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.