Home / 14,108.14-21,059.20-13,080.25

Finding the Fourth Proportional to 14,108.14, 21,059.20 and 13,080.25

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Solution

The fourth proportional to 14,108.14, 21,059.20 and 13,080.25 is: 19,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.14 : 21,059.20 = 13,080.25 : x
  2. Step 2: Convert to fraction form
    14,108.14/21,059.20 = 13,080.25/x
  3. Step 3: Cross multiply
    14,108.14x = 21,059.20 × 13,080.25
  4. Step 4: Simplify right side
    14,108.14x = 275,459,600.80
  5. Step 5: Solve for x
    x = 275,459,600.80/14,108.14
  6. Step 6: Final answer
    x = 19,524.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.