Home / 22,201.16-30,605.78-13,697.57

Finding the Fourth Proportional to 22,201.16, 30,605.78 and 13,697.57

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Solution

The fourth proportional to 22,201.16, 30,605.78 and 13,697.57 is: 18,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.16 : 30,605.78 = 13,697.57 : x
  2. Step 2: Convert to fraction form
    22,201.16/30,605.78 = 13,697.57/x
  3. Step 3: Cross multiply
    22,201.16x = 30,605.78 × 13,697.57
  4. Step 4: Simplify right side
    22,201.16x = 419,224,924.71
  5. Step 5: Solve for x
    x = 419,224,924.71/22,201.16
  6. Step 6: Final answer
    x = 18,883.02

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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.