Home / 19,388.83-26,754.70-10,889.02

Finding the Fourth Proportional to 19,388.83, 26,754.70 and 10,889.02

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Solution

The fourth proportional to 19,388.83, 26,754.70 and 10,889.02 is: 15,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.83 : 26,754.70 = 10,889.02 : x
  2. Step 2: Convert to fraction form
    19,388.83/26,754.70 = 10,889.02/x
  3. Step 3: Cross multiply
    19,388.83x = 26,754.70 × 10,889.02
  4. Step 4: Simplify right side
    19,388.83x = 291,332,463.39
  5. Step 5: Solve for x
    x = 291,332,463.39/19,388.83
  6. Step 6: Final answer
    x = 15,025.79

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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.