Home / 18,099.24-24,974.62-10,139.50

Finding the Fourth Proportional to 18,099.24, 24,974.62 and 10,139.50

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Solution

The fourth proportional to 18,099.24, 24,974.62 and 10,139.50 is: 13,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.24 : 24,974.62 = 10,139.50 : x
  2. Step 2: Convert to fraction form
    18,099.24/24,974.62 = 10,139.50/x
  3. Step 3: Cross multiply
    18,099.24x = 24,974.62 × 10,139.50
  4. Step 4: Simplify right side
    18,099.24x = 253,230,159.49
  5. Step 5: Solve for x
    x = 253,230,159.49/18,099.24
  6. Step 6: Final answer
    x = 13,991.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.