Home / 26,687.44-40,038.12-7,967.48

Finding the Fourth Proportional to 26,687.44, 40,038.12 and 7,967.48

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Solution

The fourth proportional to 26,687.44, 40,038.12 and 7,967.48 is: 11,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.44 : 40,038.12 = 7,967.48 : x
  2. Step 2: Convert to fraction form
    26,687.44/40,038.12 = 7,967.48/x
  3. Step 3: Cross multiply
    26,687.44x = 40,038.12 × 7,967.48
  4. Step 4: Simplify right side
    26,687.44x = 319,002,798.86
  5. Step 5: Solve for x
    x = 319,002,798.86/26,687.44
  6. Step 6: Final answer
    x = 11,953.29

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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.