Home / 15,229.01-21,022.52-9,262.60

Finding the Fourth Proportional to 15,229.01, 21,022.52 and 9,262.60

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Solution

The fourth proportional to 15,229.01, 21,022.52 and 9,262.60 is: 12,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.01 : 21,022.52 = 9,262.60 : x
  2. Step 2: Convert to fraction form
    15,229.01/21,022.52 = 9,262.60/x
  3. Step 3: Cross multiply
    15,229.01x = 21,022.52 × 9,262.60
  4. Step 4: Simplify right side
    15,229.01x = 194,723,094.88
  5. Step 5: Solve for x
    x = 194,723,094.88/15,229.01
  6. Step 6: Final answer
    x = 12,786.32

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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.