Home / 25,714.76-38,537.10-15,723

Finding the Fourth Proportional to 25,714.76, 38,537.10 and 15,723

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Solution

The fourth proportional to 25,714.76, 38,537.10 and 15,723 is: 23,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,714.76 : 38,537.10 = 15,723 : x
  2. Step 2: Convert to fraction form
    25,714.76/38,537.10 = 15,723/x
  3. Step 3: Cross multiply
    25,714.76x = 38,537.10 × 15,723
  4. Step 4: Simplify right side
    25,714.76x = 605,918,823.30
  5. Step 5: Solve for x
    x = 605,918,823.30/25,714.76
  6. Step 6: Final answer
    x = 23,563.08

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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.