Home / 19,575.12-29,372.40-9,714

Finding the Fourth Proportional to 19,575.12, 29,372.40 and 9,714

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Solution

The fourth proportional to 19,575.12, 29,372.40 and 9,714 is: 14,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.12 : 29,372.40 = 9,714 : x
  2. Step 2: Convert to fraction form
    19,575.12/29,372.40 = 9,714/x
  3. Step 3: Cross multiply
    19,575.12x = 29,372.40 × 9,714
  4. Step 4: Simplify right side
    19,575.12x = 285,323,493.60
  5. Step 5: Solve for x
    x = 285,323,493.60/19,575.12
  6. Step 6: Final answer
    x = 14,575.82

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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.