Home / 16,902.69-25,358.09-5,215.92

Finding the Fourth Proportional to 16,902.69, 25,358.09 and 5,215.92

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Solution

The fourth proportional to 16,902.69, 25,358.09 and 5,215.92 is: 7,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.69 : 25,358.09 = 5,215.92 : x
  2. Step 2: Convert to fraction form
    16,902.69/25,358.09 = 5,215.92/x
  3. Step 3: Cross multiply
    16,902.69x = 25,358.09 × 5,215.92
  4. Step 4: Simplify right side
    16,902.69x = 132,265,742.71
  5. Step 5: Solve for x
    x = 132,265,742.71/16,902.69
  6. Step 6: Final answer
    x = 7,825.13

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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.