Home / 14,175.12-21,265.26-4,687.98

Finding the Fourth Proportional to 14,175.12, 21,265.26 and 4,687.98

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Solution

The fourth proportional to 14,175.12, 21,265.26 and 4,687.98 is: 7,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.12 : 21,265.26 = 4,687.98 : x
  2. Step 2: Convert to fraction form
    14,175.12/21,265.26 = 4,687.98/x
  3. Step 3: Cross multiply
    14,175.12x = 21,265.26 × 4,687.98
  4. Step 4: Simplify right side
    14,175.12x = 99,691,113.57
  5. Step 5: Solve for x
    x = 99,691,113.57/14,175.12
  6. Step 6: Final answer
    x = 7,032.82

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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.