Home / 18,586.06-27,823.73-17,921.76

Finding the Fourth Proportional to 18,586.06, 27,823.73 and 17,921.76

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Solution

The fourth proportional to 18,586.06, 27,823.73 and 17,921.76 is: 26,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.06 : 27,823.73 = 17,921.76 : x
  2. Step 2: Convert to fraction form
    18,586.06/27,823.73 = 17,921.76/x
  3. Step 3: Cross multiply
    18,586.06x = 27,823.73 × 17,921.76
  4. Step 4: Simplify right side
    18,586.06x = 498,650,243.89
  5. Step 5: Solve for x
    x = 498,650,243.89/18,586.06
  6. Step 6: Final answer
    x = 26,829.25

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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.