Home / 33,115.91-45,688.35-18,773.64

Finding the Fourth Proportional to 33,115.91, 45,688.35 and 18,773.64

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Solution

The fourth proportional to 33,115.91, 45,688.35 and 18,773.64 is: 25,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.91 : 45,688.35 = 18,773.64 : x
  2. Step 2: Convert to fraction form
    33,115.91/45,688.35 = 18,773.64/x
  3. Step 3: Cross multiply
    33,115.91x = 45,688.35 × 18,773.64
  4. Step 4: Simplify right side
    33,115.91x = 857,736,705.50
  5. Step 5: Solve for x
    x = 857,736,705.50/33,115.91
  6. Step 6: Final answer
    x = 25,901.05

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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.