Home / 18,936.83-28,363.93-15,612.59

Finding the Fourth Proportional to 18,936.83, 28,363.93 and 15,612.59

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Solution

The fourth proportional to 18,936.83, 28,363.93 and 15,612.59 is: 23,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.83 : 28,363.93 = 15,612.59 : x
  2. Step 2: Convert to fraction form
    18,936.83/28,363.93 = 15,612.59/x
  3. Step 3: Cross multiply
    18,936.83x = 28,363.93 × 15,612.59
  4. Step 4: Simplify right side
    18,936.83x = 442,834,229.03
  5. Step 5: Solve for x
    x = 442,834,229.03/18,936.83
  6. Step 6: Final answer
    x = 23,384.82

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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.