Home / 14,175.88-21,259.28-4,686.42

Finding the Fourth Proportional to 14,175.88, 21,259.28 and 4,686.42

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Solution

The fourth proportional to 14,175.88, 21,259.28 and 4,686.42 is: 7,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.88 : 21,259.28 = 4,686.42 : x
  2. Step 2: Convert to fraction form
    14,175.88/21,259.28 = 4,686.42/x
  3. Step 3: Cross multiply
    14,175.88x = 21,259.28 × 4,686.42
  4. Step 4: Simplify right side
    14,175.88x = 99,629,914.98
  5. Step 5: Solve for x
    x = 99,629,914.98/14,175.88
  6. Step 6: Final answer
    x = 7,028.13

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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.