Home / 17,120.79-25,663.68-11,574.66

Finding the Fourth Proportional to 17,120.79, 25,663.68 and 11,574.66

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Solution

The fourth proportional to 17,120.79, 25,663.68 and 11,574.66 is: 17,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.79 : 25,663.68 = 11,574.66 : x
  2. Step 2: Convert to fraction form
    17,120.79/25,663.68 = 11,574.66/x
  3. Step 3: Cross multiply
    17,120.79x = 25,663.68 × 11,574.66
  4. Step 4: Simplify right side
    17,120.79x = 297,048,370.35
  5. Step 5: Solve for x
    x = 297,048,370.35/17,120.79
  6. Step 6: Final answer
    x = 17,350.16

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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.