Home / 19,729.10-27,223.70-11,232.32

Finding the Fourth Proportional to 19,729.10, 27,223.70 and 11,232.32

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Solution

The fourth proportional to 19,729.10, 27,223.70 and 11,232.32 is: 15,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.10 : 27,223.70 = 11,232.32 : x
  2. Step 2: Convert to fraction form
    19,729.10/27,223.70 = 11,232.32/x
  3. Step 3: Cross multiply
    19,729.10x = 27,223.70 × 11,232.32
  4. Step 4: Simplify right side
    19,729.10x = 305,785,309.98
  5. Step 5: Solve for x
    x = 305,785,309.98/19,729.10
  6. Step 6: Final answer
    x = 15,499.20

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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.