Home / 17,153.48-25,715.42-6,630.88

Finding the Fourth Proportional to 17,153.48, 25,715.42 and 6,630.88

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Solution

The fourth proportional to 17,153.48, 25,715.42 and 6,630.88 is: 9,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.48 : 25,715.42 = 6,630.88 : x
  2. Step 2: Convert to fraction form
    17,153.48/25,715.42 = 6,630.88/x
  3. Step 3: Cross multiply
    17,153.48x = 25,715.42 × 6,630.88
  4. Step 4: Simplify right side
    17,153.48x = 170,515,864.17
  5. Step 5: Solve for x
    x = 170,515,864.17/17,153.48
  6. Step 6: Final answer
    x = 9,940.60

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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.