Home / 14,080.14-21,117.09-4,218.12

Finding the Fourth Proportional to 14,080.14, 21,117.09 and 4,218.12

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Solution

The fourth proportional to 14,080.14, 21,117.09 and 4,218.12 is: 6,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.14 : 21,117.09 = 4,218.12 : x
  2. Step 2: Convert to fraction form
    14,080.14/21,117.09 = 4,218.12/x
  3. Step 3: Cross multiply
    14,080.14x = 21,117.09 × 4,218.12
  4. Step 4: Simplify right side
    14,080.14x = 89,074,419.67
  5. Step 5: Solve for x
    x = 89,074,419.67/14,080.14
  6. Step 6: Final answer
    x = 6,326.25

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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.