Home / 26,181.76-36,128.32-15,002.24

Finding the Fourth Proportional to 26,181.76, 36,128.32 and 15,002.24

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Solution

The fourth proportional to 26,181.76, 36,128.32 and 15,002.24 is: 20,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.76 : 36,128.32 = 15,002.24 : x
  2. Step 2: Convert to fraction form
    26,181.76/36,128.32 = 15,002.24/x
  3. Step 3: Cross multiply
    26,181.76x = 36,128.32 × 15,002.24
  4. Step 4: Simplify right side
    26,181.76x = 542,005,727.44
  5. Step 5: Solve for x
    x = 542,005,727.44/26,181.76
  6. Step 6: Final answer
    x = 20,701.65

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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.