Home / 18,579.45-27,870.95-6,099.51

Finding the Fourth Proportional to 18,579.45, 27,870.95 and 6,099.51

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Solution

The fourth proportional to 18,579.45, 27,870.95 and 6,099.51 is: 9,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.45 : 27,870.95 = 6,099.51 : x
  2. Step 2: Convert to fraction form
    18,579.45/27,870.95 = 6,099.51/x
  3. Step 3: Cross multiply
    18,579.45x = 27,870.95 × 6,099.51
  4. Step 4: Simplify right side
    18,579.45x = 169,998,968.38
  5. Step 5: Solve for x
    x = 169,998,968.38/18,579.45
  6. Step 6: Final answer
    x = 9,149.84

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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.