Home / 26,093.12-35,989.92-18,128.96

Finding the Fourth Proportional to 26,093.12, 35,989.92 and 18,128.96

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Solution

The fourth proportional to 26,093.12, 35,989.92 and 18,128.96 is: 25,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,093.12 : 35,989.92 = 18,128.96 : x
  2. Step 2: Convert to fraction form
    26,093.12/35,989.92 = 18,128.96/x
  3. Step 3: Cross multiply
    26,093.12x = 35,989.92 × 18,128.96
  4. Step 4: Simplify right side
    26,093.12x = 652,459,820.08
  5. Step 5: Solve for x
    x = 652,459,820.08/26,093.12
  6. Step 6: Final answer
    x = 25,005.05

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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.