Home / 18,993.24-26,199.72-11,434.32

Finding the Fourth Proportional to 18,993.24, 26,199.72 and 11,434.32

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Solution

The fourth proportional to 18,993.24, 26,199.72 and 11,434.32 is: 15,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993.24 : 26,199.72 = 11,434.32 : x
  2. Step 2: Convert to fraction form
    18,993.24/26,199.72 = 11,434.32/x
  3. Step 3: Cross multiply
    18,993.24x = 26,199.72 × 11,434.32
  4. Step 4: Simplify right side
    18,993.24x = 299,575,982.39
  5. Step 5: Solve for x
    x = 299,575,982.39/18,993.24
  6. Step 6: Final answer
    x = 15,772.77

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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.