Home / 18,622.13-27,927.23-6,139.35

Finding the Fourth Proportional to 18,622.13, 27,927.23 and 6,139.35

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Solution

The fourth proportional to 18,622.13, 27,927.23 and 6,139.35 is: 9,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.13 : 27,927.23 = 6,139.35 : x
  2. Step 2: Convert to fraction form
    18,622.13/27,927.23 = 6,139.35/x
  3. Step 3: Cross multiply
    18,622.13x = 27,927.23 × 6,139.35
  4. Step 4: Simplify right side
    18,622.13x = 171,455,008.80
  5. Step 5: Solve for x
    x = 171,455,008.80/18,622.13
  6. Step 6: Final answer
    x = 9,207.06

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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.