Home / 15,786.22-23,563.76-13,917.93

Finding the Fourth Proportional to 15,786.22, 23,563.76 and 13,917.93

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Solution

The fourth proportional to 15,786.22, 23,563.76 and 13,917.93 is: 20,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.22 : 23,563.76 = 13,917.93 : x
  2. Step 2: Convert to fraction form
    15,786.22/23,563.76 = 13,917.93/x
  3. Step 3: Cross multiply
    15,786.22x = 23,563.76 × 13,917.93
  4. Step 4: Simplify right side
    15,786.22x = 327,958,682.55
  5. Step 5: Solve for x
    x = 327,958,682.55/15,786.22
  6. Step 6: Final answer
    x = 20,775.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.