Home / 26,820.52-40,231.86-12,773.32

Finding the Fourth Proportional to 26,820.52, 40,231.86 and 12,773.32

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Solution

The fourth proportional to 26,820.52, 40,231.86 and 12,773.32 is: 19,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.52 : 40,231.86 = 12,773.32 : x
  2. Step 2: Convert to fraction form
    26,820.52/40,231.86 = 12,773.32/x
  3. Step 3: Cross multiply
    26,820.52x = 40,231.86 × 12,773.32
  4. Step 4: Simplify right side
    26,820.52x = 513,894,421.98
  5. Step 5: Solve for x
    x = 513,894,421.98/26,820.52
  6. Step 6: Final answer
    x = 19,160.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.