Home / 15,962.66-21,991.76-12,604.23

Finding the Fourth Proportional to 15,962.66, 21,991.76 and 12,604.23

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Solution

The fourth proportional to 15,962.66, 21,991.76 and 12,604.23 is: 17,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.66 : 21,991.76 = 12,604.23 : x
  2. Step 2: Convert to fraction form
    15,962.66/21,991.76 = 12,604.23/x
  3. Step 3: Cross multiply
    15,962.66x = 21,991.76 × 12,604.23
  4. Step 4: Simplify right side
    15,962.66x = 277,189,201.14
  5. Step 5: Solve for x
    x = 277,189,201.14/15,962.66
  6. Step 6: Final answer
    x = 17,364.85

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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.