Home / 17,721.99-24,456.36-9,655.60

Finding the Fourth Proportional to 17,721.99, 24,456.36 and 9,655.60

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Solution

The fourth proportional to 17,721.99, 24,456.36 and 9,655.60 is: 13,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.99 : 24,456.36 = 9,655.60 : x
  2. Step 2: Convert to fraction form
    17,721.99/24,456.36 = 9,655.60/x
  3. Step 3: Cross multiply
    17,721.99x = 24,456.36 × 9,655.60
  4. Step 4: Simplify right side
    17,721.99x = 236,140,829.62
  5. Step 5: Solve for x
    x = 236,140,829.62/17,721.99
  6. Step 6: Final answer
    x = 13,324.74

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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.