Home / 14,108.28-21,162.69-4,746.57

Finding the Fourth Proportional to 14,108.28, 21,162.69 and 4,746.57

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Solution

The fourth proportional to 14,108.28, 21,162.69 and 4,746.57 is: 7,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.28 : 21,162.69 = 4,746.57 : x
  2. Step 2: Convert to fraction form
    14,108.28/21,162.69 = 4,746.57/x
  3. Step 3: Cross multiply
    14,108.28x = 21,162.69 × 4,746.57
  4. Step 4: Simplify right side
    14,108.28x = 100,450,189.47
  5. Step 5: Solve for x
    x = 100,450,189.47/14,108.28
  6. Step 6: Final answer
    x = 7,119.95

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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.