Home / 33,064.32-45,627.12-18,721.92

Finding the Fourth Proportional to 33,064.32, 45,627.12 and 18,721.92

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Solution

The fourth proportional to 33,064.32, 45,627.12 and 18,721.92 is: 25,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,064.32 : 45,627.12 = 18,721.92 : x
  2. Step 2: Convert to fraction form
    33,064.32/45,627.12 = 18,721.92/x
  3. Step 3: Cross multiply
    33,064.32x = 45,627.12 × 18,721.92
  4. Step 4: Simplify right side
    33,064.32x = 854,227,290.47
  5. Step 5: Solve for x
    x = 854,227,290.47/33,064.32
  6. Step 6: Final answer
    x = 25,835.32

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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.