Home / 17,220.64-23,774.16-16,166.56

Finding the Fourth Proportional to 17,220.64, 23,774.16 and 16,166.56

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Solution

The fourth proportional to 17,220.64, 23,774.16 and 16,166.56 is: 22,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.64 : 23,774.16 = 16,166.56 : x
  2. Step 2: Convert to fraction form
    17,220.64/23,774.16 = 16,166.56/x
  3. Step 3: Cross multiply
    17,220.64x = 23,774.16 × 16,166.56
  4. Step 4: Simplify right side
    17,220.64x = 384,346,384.09
  5. Step 5: Solve for x
    x = 384,346,384.09/17,220.64
  6. Step 6: Final answer
    x = 22,318.94

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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.