Home / 22,000.56-30,383.64-16,911.60

Finding the Fourth Proportional to 22,000.56, 30,383.64 and 16,911.60

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Solution

The fourth proportional to 22,000.56, 30,383.64 and 16,911.60 is: 23,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.56 : 30,383.64 = 16,911.60 : x
  2. Step 2: Convert to fraction form
    22,000.56/30,383.64 = 16,911.60/x
  3. Step 3: Cross multiply
    22,000.56x = 30,383.64 × 16,911.60
  4. Step 4: Simplify right side
    22,000.56x = 513,835,966.22
  5. Step 5: Solve for x
    x = 513,835,966.22/22,000.56
  6. Step 6: Final answer
    x = 23,355.59

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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.