Home / 20,255.92-27,953.14-11,303.36

Finding the Fourth Proportional to 20,255.92, 27,953.14 and 11,303.36

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Solution

The fourth proportional to 20,255.92, 27,953.14 and 11,303.36 is: 15,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.92 : 27,953.14 = 11,303.36 : x
  2. Step 2: Convert to fraction form
    20,255.92/27,953.14 = 11,303.36/x
  3. Step 3: Cross multiply
    20,255.92x = 27,953.14 × 11,303.36
  4. Step 4: Simplify right side
    20,255.92x = 315,964,404.55
  5. Step 5: Solve for x
    x = 315,964,404.55/20,255.92
  6. Step 6: Final answer
    x = 15,598.62

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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.