Home / 33,135.68-45,726.56-18,028.64

Finding the Fourth Proportional to 33,135.68, 45,726.56 and 18,028.64

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Solution

The fourth proportional to 33,135.68, 45,726.56 and 18,028.64 is: 24,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.68 : 45,726.56 = 18,028.64 : x
  2. Step 2: Convert to fraction form
    33,135.68/45,726.56 = 18,028.64/x
  3. Step 3: Cross multiply
    33,135.68x = 45,726.56 × 18,028.64
  4. Step 4: Simplify right side
    33,135.68x = 824,387,688.68
  5. Step 5: Solve for x
    x = 824,387,688.68/33,135.68
  6. Step 6: Final answer
    x = 24,879.15

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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.