Home / 17,220.74-25,825.16-6,688.27

Finding the Fourth Proportional to 17,220.74, 25,825.16 and 6,688.27

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Solution

The fourth proportional to 17,220.74, 25,825.16 and 6,688.27 is: 10,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.74 : 25,825.16 = 6,688.27 : x
  2. Step 2: Convert to fraction form
    17,220.74/25,825.16 = 6,688.27/x
  3. Step 3: Cross multiply
    17,220.74x = 25,825.16 × 6,688.27
  4. Step 4: Simplify right side
    17,220.74x = 172,725,691.88
  5. Step 5: Solve for x
    x = 172,725,691.88/17,220.74
  6. Step 6: Final answer
    x = 10,030.10

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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.