Home / 17,122.56-23,623.24-12,655.68

Finding the Fourth Proportional to 17,122.56, 23,623.24 and 12,655.68

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Solution

The fourth proportional to 17,122.56, 23,623.24 and 12,655.68 is: 17,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.56 : 23,623.24 = 12,655.68 : x
  2. Step 2: Convert to fraction form
    17,122.56/23,623.24 = 12,655.68/x
  3. Step 3: Cross multiply
    17,122.56x = 23,623.24 × 12,655.68
  4. Step 4: Simplify right side
    17,122.56x = 298,968,166.00
  5. Step 5: Solve for x
    x = 298,968,166.00/17,122.56
  6. Step 6: Final answer
    x = 17,460.48

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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.