Home / 18,919.44-26,094.96-12,534.48

Finding the Fourth Proportional to 18,919.44, 26,094.96 and 12,534.48

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Solution

The fourth proportional to 18,919.44, 26,094.96 and 12,534.48 is: 17,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919.44 : 26,094.96 = 12,534.48 : x
  2. Step 2: Convert to fraction form
    18,919.44/26,094.96 = 12,534.48/x
  3. Step 3: Cross multiply
    18,919.44x = 26,094.96 × 12,534.48
  4. Step 4: Simplify right side
    18,919.44x = 327,086,754.22
  5. Step 5: Solve for x
    x = 327,086,754.22/18,919.44
  6. Step 6: Final answer
    x = 17,288.40

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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.