Home / 20,255.83-27,952.98-11,303.23

Finding the Fourth Proportional to 20,255.83, 27,952.98 and 11,303.23

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Solution

The fourth proportional to 20,255.83, 27,952.98 and 11,303.23 is: 15,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.83 : 27,952.98 = 11,303.23 : x
  2. Step 2: Convert to fraction form
    20,255.83/27,952.98 = 11,303.23/x
  3. Step 3: Cross multiply
    20,255.83x = 27,952.98 × 11,303.23
  4. Step 4: Simplify right side
    20,255.83x = 315,958,962.13
  5. Step 5: Solve for x
    x = 315,958,962.13/20,255.83
  6. Step 6: Final answer
    x = 15,598.42

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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.