Home / 16,906.48-23,323.80-11,319.28

Finding the Fourth Proportional to 16,906.48, 23,323.80 and 11,319.28

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Solution

The fourth proportional to 16,906.48, 23,323.80 and 11,319.28 is: 15,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.48 : 23,323.80 = 11,319.28 : x
  2. Step 2: Convert to fraction form
    16,906.48/23,323.80 = 11,319.28/x
  3. Step 3: Cross multiply
    16,906.48x = 23,323.80 × 11,319.28
  4. Step 4: Simplify right side
    16,906.48x = 264,008,622.86
  5. Step 5: Solve for x
    x = 264,008,622.86/16,906.48
  6. Step 6: Final answer
    x = 15,615.82

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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.