Home / 22,007.18-30,383.45-16,961.28

Finding the Fourth Proportional to 22,007.18, 30,383.45 and 16,961.28

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Solution

The fourth proportional to 22,007.18, 30,383.45 and 16,961.28 is: 23,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.18 : 30,383.45 = 16,961.28 : x
  2. Step 2: Convert to fraction form
    22,007.18/30,383.45 = 16,961.28/x
  3. Step 3: Cross multiply
    22,007.18x = 30,383.45 × 16,961.28
  4. Step 4: Simplify right side
    22,007.18x = 515,342,118.01
  5. Step 5: Solve for x
    x = 515,342,118.01/22,007.18
  6. Step 6: Final answer
    x = 23,417.00

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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.