Home / 18,889.19-26,068.12-10,933.97

Finding the Fourth Proportional to 18,889.19, 26,068.12 and 10,933.97

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Solution

The fourth proportional to 18,889.19, 26,068.12 and 10,933.97 is: 15,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.19 : 26,068.12 = 10,933.97 : x
  2. Step 2: Convert to fraction form
    18,889.19/26,068.12 = 10,933.97/x
  3. Step 3: Cross multiply
    18,889.19x = 26,068.12 × 10,933.97
  4. Step 4: Simplify right side
    18,889.19x = 285,028,108.25
  5. Step 5: Solve for x
    x = 285,028,108.25/18,889.19
  6. Step 6: Final answer
    x = 15,089.49

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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.