Home / 18,328.30-27,492.45-8,464.66

Finding the Fourth Proportional to 18,328.30, 27,492.45 and 8,464.66

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Solution

The fourth proportional to 18,328.30, 27,492.45 and 8,464.66 is: 12,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.30 : 27,492.45 = 8,464.66 : x
  2. Step 2: Convert to fraction form
    18,328.30/27,492.45 = 8,464.66/x
  3. Step 3: Cross multiply
    18,328.30x = 27,492.45 × 8,464.66
  4. Step 4: Simplify right side
    18,328.30x = 232,714,241.82
  5. Step 5: Solve for x
    x = 232,714,241.82/18,328.30
  6. Step 6: Final answer
    x = 12,696.99

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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.