Home / 20,693.56-28,557.24-11,262.22

Finding the Fourth Proportional to 20,693.56, 28,557.24 and 11,262.22

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Solution

The fourth proportional to 20,693.56, 28,557.24 and 11,262.22 is: 15,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.56 : 28,557.24 = 11,262.22 : x
  2. Step 2: Convert to fraction form
    20,693.56/28,557.24 = 11,262.22/x
  3. Step 3: Cross multiply
    20,693.56x = 28,557.24 × 11,262.22
  4. Step 4: Simplify right side
    20,693.56x = 321,617,919.47
  5. Step 5: Solve for x
    x = 321,617,919.47/20,693.56
  6. Step 6: Final answer
    x = 15,541.93

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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.