Home / 18,119.18-24,991.83-17,509.57

Finding the Fourth Proportional to 18,119.18, 24,991.83 and 17,509.57

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Solution

The fourth proportional to 18,119.18, 24,991.83 and 17,509.57 is: 24,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.18 : 24,991.83 = 17,509.57 : x
  2. Step 2: Convert to fraction form
    18,119.18/24,991.83 = 17,509.57/x
  3. Step 3: Cross multiply
    18,119.18x = 24,991.83 × 17,509.57
  4. Step 4: Simplify right side
    18,119.18x = 437,596,134.33
  5. Step 5: Solve for x
    x = 437,596,134.33/18,119.18
  6. Step 6: Final answer
    x = 24,150.99

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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.