Home / 18,198.63-27,155.23-17,084.07

Finding the Fourth Proportional to 18,198.63, 27,155.23 and 17,084.07

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Solution

The fourth proportional to 18,198.63, 27,155.23 and 17,084.07 is: 25,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.63 : 27,155.23 = 17,084.07 : x
  2. Step 2: Convert to fraction form
    18,198.63/27,155.23 = 17,084.07/x
  3. Step 3: Cross multiply
    18,198.63x = 27,155.23 × 17,084.07
  4. Step 4: Simplify right side
    18,198.63x = 463,921,807.48
  5. Step 5: Solve for x
    x = 463,921,807.48/18,198.63
  6. Step 6: Final answer
    x = 25,492.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.