Home / 18,630.72-27,948.85-6,152.06

Finding the Fourth Proportional to 18,630.72, 27,948.85 and 6,152.06

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Solution

The fourth proportional to 18,630.72, 27,948.85 and 6,152.06 is: 9,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.72 : 27,948.85 = 6,152.06 : x
  2. Step 2: Convert to fraction form
    18,630.72/27,948.85 = 6,152.06/x
  3. Step 3: Cross multiply
    18,630.72x = 27,948.85 × 6,152.06
  4. Step 4: Simplify right side
    18,630.72x = 171,943,056.62
  5. Step 5: Solve for x
    x = 171,943,056.62/18,630.72
  6. Step 6: Final answer
    x = 9,229.01

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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.