Home / 18,381.72-27,572.58-6,695.04

Finding the Fourth Proportional to 18,381.72, 27,572.58 and 6,695.04

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Solution

The fourth proportional to 18,381.72, 27,572.58 and 6,695.04 is: 10,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.72 : 27,572.58 = 6,695.04 : x
  2. Step 2: Convert to fraction form
    18,381.72/27,572.58 = 6,695.04/x
  3. Step 3: Cross multiply
    18,381.72x = 27,572.58 × 6,695.04
  4. Step 4: Simplify right side
    18,381.72x = 184,599,526.00
  5. Step 5: Solve for x
    x = 184,599,526.00/18,381.72
  6. Step 6: Final answer
    x = 10,042.56

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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.