Home / 18,968.22-26,168.01-13,923.72

Finding the Fourth Proportional to 18,968.22, 26,168.01 and 13,923.72

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Solution

The fourth proportional to 18,968.22, 26,168.01 and 13,923.72 is: 19,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.22 : 26,168.01 = 13,923.72 : x
  2. Step 2: Convert to fraction form
    18,968.22/26,168.01 = 13,923.72/x
  3. Step 3: Cross multiply
    18,968.22x = 26,168.01 × 13,923.72
  4. Step 4: Simplify right side
    18,968.22x = 364,356,044.20
  5. Step 5: Solve for x
    x = 364,356,044.20/18,968.22
  6. Step 6: Final answer
    x = 19,208.76

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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.