Home / 16,835.09-25,243.70-5,145.17

Finding the Fourth Proportional to 16,835.09, 25,243.70 and 5,145.17

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Solution

The fourth proportional to 16,835.09, 25,243.70 and 5,145.17 is: 7,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.09 : 25,243.70 = 5,145.17 : x
  2. Step 2: Convert to fraction form
    16,835.09/25,243.70 = 5,145.17/x
  3. Step 3: Cross multiply
    16,835.09x = 25,243.70 × 5,145.17
  4. Step 4: Simplify right side
    16,835.09x = 129,882,975.98
  5. Step 5: Solve for x
    x = 129,882,975.98/16,835.09
  6. Step 6: Final answer
    x = 7,715.02

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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.