Home / 18,943.36-26,128.32-16,090.95

Finding the Fourth Proportional to 18,943.36, 26,128.32 and 16,090.95

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Solution

The fourth proportional to 18,943.36, 26,128.32 and 16,090.95 is: 22,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.36 : 26,128.32 = 16,090.95 : x
  2. Step 2: Convert to fraction form
    18,943.36/26,128.32 = 16,090.95/x
  3. Step 3: Cross multiply
    18,943.36x = 26,128.32 × 16,090.95
  4. Step 4: Simplify right side
    18,943.36x = 420,429,392.72
  5. Step 5: Solve for x
    x = 420,429,392.72/18,943.36
  6. Step 6: Final answer
    x = 22,194.02

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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.