Home / 18,941.59-26,142.48-11,395.55

Finding the Fourth Proportional to 18,941.59, 26,142.48 and 11,395.55

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Solution

The fourth proportional to 18,941.59, 26,142.48 and 11,395.55 is: 15,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.59 : 26,142.48 = 11,395.55 : x
  2. Step 2: Convert to fraction form
    18,941.59/26,142.48 = 11,395.55/x
  3. Step 3: Cross multiply
    18,941.59x = 26,142.48 × 11,395.55
  4. Step 4: Simplify right side
    18,941.59x = 297,907,909.48
  5. Step 5: Solve for x
    x = 297,907,909.48/18,941.59
  6. Step 6: Final answer
    x = 15,727.71

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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.