Home / 13,632.12-20,454.66-6,705

Finding the Fourth Proportional to 13,632.12, 20,454.66 and 6,705

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Solution

The fourth proportional to 13,632.12, 20,454.66 and 6,705 is: 10,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.12 : 20,454.66 = 6,705 : x
  2. Step 2: Convert to fraction form
    13,632.12/20,454.66 = 6,705/x
  3. Step 3: Cross multiply
    13,632.12x = 20,454.66 × 6,705
  4. Step 4: Simplify right side
    13,632.12x = 137,148,495.30
  5. Step 5: Solve for x
    x = 137,148,495.30/13,632.12
  6. Step 6: Final answer
    x = 10,060.69

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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.