Home / 15,108.08-20,845.37-9,059.27

Finding the Fourth Proportional to 15,108.08, 20,845.37 and 9,059.27

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Solution

The fourth proportional to 15,108.08, 20,845.37 and 9,059.27 is: 12,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.08 : 20,845.37 = 9,059.27 : x
  2. Step 2: Convert to fraction form
    15,108.08/20,845.37 = 9,059.27/x
  3. Step 3: Cross multiply
    15,108.08x = 20,845.37 × 9,059.27
  4. Step 4: Simplify right side
    15,108.08x = 188,843,753.50
  5. Step 5: Solve for x
    x = 188,843,753.50/15,108.08
  6. Step 6: Final answer
    x = 12,499.52

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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.