Home / 14,107.14-21,057.71-13,079.25

Finding the Fourth Proportional to 14,107.14, 21,057.71 and 13,079.25

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Solution

The fourth proportional to 14,107.14, 21,057.71 and 13,079.25 is: 19,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.14 : 21,057.71 = 13,079.25 : x
  2. Step 2: Convert to fraction form
    14,107.14/21,057.71 = 13,079.25/x
  3. Step 3: Cross multiply
    14,107.14x = 21,057.71 × 13,079.25
  4. Step 4: Simplify right side
    14,107.14x = 275,418,988.12
  5. Step 5: Solve for x
    x = 275,418,988.12/14,107.14
  6. Step 6: Final answer
    x = 19,523.38

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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.