Home / 18,680.52-28,024.88-5,533.92

Finding the Fourth Proportional to 18,680.52, 28,024.88 and 5,533.92

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Solution

The fourth proportional to 18,680.52, 28,024.88 and 5,533.92 is: 8,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.52 : 28,024.88 = 5,533.92 : x
  2. Step 2: Convert to fraction form
    18,680.52/28,024.88 = 5,533.92/x
  3. Step 3: Cross multiply
    18,680.52x = 28,024.88 × 5,533.92
  4. Step 4: Simplify right side
    18,680.52x = 155,087,443.93
  5. Step 5: Solve for x
    x = 155,087,443.93/18,680.52
  6. Step 6: Final answer
    x = 8,302.09

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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.