Home / 33,322.83-45,985.40-18,215.49

Finding the Fourth Proportional to 33,322.83, 45,985.40 and 18,215.49

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Solution

The fourth proportional to 33,322.83, 45,985.40 and 18,215.49 is: 25,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.83 : 45,985.40 = 18,215.49 : x
  2. Step 2: Convert to fraction form
    33,322.83/45,985.40 = 18,215.49/x
  3. Step 3: Cross multiply
    33,322.83x = 45,985.40 × 18,215.49
  4. Step 4: Simplify right side
    33,322.83x = 837,646,562.96
  5. Step 5: Solve for x
    x = 837,646,562.96/33,322.83
  6. Step 6: Final answer
    x = 25,137.32

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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.