Home / 12,714.47-19,069.53-3,354.59

Finding the Fourth Proportional to 12,714.47, 19,069.53 and 3,354.59

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Solution

The fourth proportional to 12,714.47, 19,069.53 and 3,354.59 is: 5,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.47 : 19,069.53 = 3,354.59 : x
  2. Step 2: Convert to fraction form
    12,714.47/19,069.53 = 3,354.59/x
  3. Step 3: Cross multiply
    12,714.47x = 19,069.53 × 3,354.59
  4. Step 4: Simplify right side
    12,714.47x = 63,970,350.91
  5. Step 5: Solve for x
    x = 63,970,350.91/12,714.47
  6. Step 6: Final answer
    x = 5,031.30

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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.