Home / 18,085.02-27,083.52-12,522.75

Finding the Fourth Proportional to 18,085.02, 27,083.52 and 12,522.75

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Solution

The fourth proportional to 18,085.02, 27,083.52 and 12,522.75 is: 18,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.02 : 27,083.52 = 12,522.75 : x
  2. Step 2: Convert to fraction form
    18,085.02/27,083.52 = 12,522.75/x
  3. Step 3: Cross multiply
    18,085.02x = 27,083.52 × 12,522.75
  4. Step 4: Simplify right side
    18,085.02x = 339,160,150.08
  5. Step 5: Solve for x
    x = 339,160,150.08/18,085.02
  6. Step 6: Final answer
    x = 18,753.65

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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.