Home / 14,562.88-21,840.48-4,175.20

Finding the Fourth Proportional to 14,562.88, 21,840.48 and 4,175.20

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Solution

The fourth proportional to 14,562.88, 21,840.48 and 4,175.20 is: 6,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.88 : 21,840.48 = 4,175.20 : x
  2. Step 2: Convert to fraction form
    14,562.88/21,840.48 = 4,175.20/x
  3. Step 3: Cross multiply
    14,562.88x = 21,840.48 × 4,175.20
  4. Step 4: Simplify right side
    14,562.88x = 91,188,372.10
  5. Step 5: Solve for x
    x = 91,188,372.10/14,562.88
  6. Step 6: Final answer
    x = 6,261.70

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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.