Home / 18,483.12-27,725.90-6,635.66

Finding the Fourth Proportional to 18,483.12, 27,725.90 and 6,635.66

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Solution

The fourth proportional to 18,483.12, 27,725.90 and 6,635.66 is: 9,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.12 : 27,725.90 = 6,635.66 : x
  2. Step 2: Convert to fraction form
    18,483.12/27,725.90 = 6,635.66/x
  3. Step 3: Cross multiply
    18,483.12x = 27,725.90 × 6,635.66
  4. Step 4: Simplify right side
    18,483.12x = 183,979,473.79
  5. Step 5: Solve for x
    x = 183,979,473.79/18,483.12
  6. Step 6: Final answer
    x = 9,953.92

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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.