Home / 16,919.23-23,347.41-9,365.05

Finding the Fourth Proportional to 16,919.23, 23,347.41 and 9,365.05

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Solution

The fourth proportional to 16,919.23, 23,347.41 and 9,365.05 is: 12,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.23 : 23,347.41 = 9,365.05 : x
  2. Step 2: Convert to fraction form
    16,919.23/23,347.41 = 9,365.05/x
  3. Step 3: Cross multiply
    16,919.23x = 23,347.41 × 9,365.05
  4. Step 4: Simplify right side
    16,919.23x = 218,649,662.02
  5. Step 5: Solve for x
    x = 218,649,662.02/16,919.23
  6. Step 6: Final answer
    x = 12,923.14

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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.