Home / 25,169.84-37,718.94-18,543.92

Finding the Fourth Proportional to 25,169.84, 37,718.94 and 18,543.92

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Solution

The fourth proportional to 25,169.84, 37,718.94 and 18,543.92 is: 27,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.84 : 37,718.94 = 18,543.92 : x
  2. Step 2: Convert to fraction form
    25,169.84/37,718.94 = 18,543.92/x
  3. Step 3: Cross multiply
    25,169.84x = 37,718.94 × 18,543.92
  4. Step 4: Simplify right side
    25,169.84x = 699,457,005.84
  5. Step 5: Solve for x
    x = 699,457,005.84/25,169.84
  6. Step 6: Final answer
    x = 27,789.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.