Home / 16,923.07-23,331.46-13,887.07

Finding the Fourth Proportional to 16,923.07, 23,331.46 and 13,887.07

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Solution

The fourth proportional to 16,923.07, 23,331.46 and 13,887.07 is: 19,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.07 : 23,331.46 = 13,887.07 : x
  2. Step 2: Convert to fraction form
    16,923.07/23,331.46 = 13,887.07/x
  3. Step 3: Cross multiply
    16,923.07x = 23,331.46 × 13,887.07
  4. Step 4: Simplify right side
    16,923.07x = 324,005,618.22
  5. Step 5: Solve for x
    x = 324,005,618.22/16,923.07
  6. Step 6: Final answer
    x = 19,145.79

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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.