Home / 15,010.96-20,714.10-8,296.60

Finding the Fourth Proportional to 15,010.96, 20,714.10 and 8,296.60

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Solution

The fourth proportional to 15,010.96, 20,714.10 and 8,296.60 is: 11,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.96 : 20,714.10 = 8,296.60 : x
  2. Step 2: Convert to fraction form
    15,010.96/20,714.10 = 8,296.60/x
  3. Step 3: Cross multiply
    15,010.96x = 20,714.10 × 8,296.60
  4. Step 4: Simplify right side
    15,010.96x = 171,856,602.06
  5. Step 5: Solve for x
    x = 171,856,602.06/15,010.96
  6. Step 6: Final answer
    x = 11,448.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.