Home / 14,116.16-21,169.22-10,155.48

Finding the Fourth Proportional to 14,116.16, 21,169.22 and 10,155.48

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Solution

The fourth proportional to 14,116.16, 21,169.22 and 10,155.48 is: 15,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.16 : 21,169.22 = 10,155.48 : x
  2. Step 2: Convert to fraction form
    14,116.16/21,169.22 = 10,155.48/x
  3. Step 3: Cross multiply
    14,116.16x = 21,169.22 × 10,155.48
  4. Step 4: Simplify right side
    14,116.16x = 214,983,539.55
  5. Step 5: Solve for x
    x = 214,983,539.55/14,116.16
  6. Step 6: Final answer
    x = 15,229.61

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1.5x scale

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.