Home / 33,134.96-45,727.08-18,992.40

Finding the Fourth Proportional to 33,134.96, 45,727.08 and 18,992.40

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Solution

The fourth proportional to 33,134.96, 45,727.08 and 18,992.40 is: 26,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,134.96 : 45,727.08 = 18,992.40 : x
  2. Step 2: Convert to fraction form
    33,134.96/45,727.08 = 18,992.40/x
  3. Step 3: Cross multiply
    33,134.96x = 45,727.08 × 18,992.40
  4. Step 4: Simplify right side
    33,134.96x = 868,466,994.19
  5. Step 5: Solve for x
    x = 868,466,994.19/33,134.96
  6. Step 6: Final answer
    x = 26,209.99

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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.