Home / 20,859.52-28,763.92-17,054.24

Finding the Fourth Proportional to 20,859.52, 28,763.92 and 17,054.24

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Solution

The fourth proportional to 20,859.52, 28,763.92 and 17,054.24 is: 23,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859.52 : 28,763.92 = 17,054.24 : x
  2. Step 2: Convert to fraction form
    20,859.52/28,763.92 = 17,054.24/x
  3. Step 3: Cross multiply
    20,859.52x = 28,763.92 × 17,054.24
  4. Step 4: Simplify right side
    20,859.52x = 490,546,795.02
  5. Step 5: Solve for x
    x = 490,546,795.02/20,859.52
  6. Step 6: Final answer
    x = 23,516.69

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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.