Home / 14,175.60-21,264.96-3,788.16

Finding the Fourth Proportional to 14,175.60, 21,264.96 and 3,788.16

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Solution

The fourth proportional to 14,175.60, 21,264.96 and 3,788.16 is: 5,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.60 : 21,264.96 = 3,788.16 : x
  2. Step 2: Convert to fraction form
    14,175.60/21,264.96 = 3,788.16/x
  3. Step 3: Cross multiply
    14,175.60x = 21,264.96 × 3,788.16
  4. Step 4: Simplify right side
    14,175.60x = 80,555,070.87
  5. Step 5: Solve for x
    x = 80,555,070.87/14,175.60
  6. Step 6: Final answer
    x = 5,682.66

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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.