Home / 17,019.72-23,473.80-11,712.60

Finding the Fourth Proportional to 17,019.72, 23,473.80 and 11,712.60

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Solution

The fourth proportional to 17,019.72, 23,473.80 and 11,712.60 is: 16,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.72 : 23,473.80 = 11,712.60 : x
  2. Step 2: Convert to fraction form
    17,019.72/23,473.80 = 11,712.60/x
  3. Step 3: Cross multiply
    17,019.72x = 23,473.80 × 11,712.60
  4. Step 4: Simplify right side
    17,019.72x = 274,939,229.88
  5. Step 5: Solve for x
    x = 274,939,229.88/17,019.72
  6. Step 6: Final answer
    x = 16,154.16

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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.