Home / 26,931.26-40,406.62-9,403.68

Finding the Fourth Proportional to 26,931.26, 40,406.62 and 9,403.68

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Solution

The fourth proportional to 26,931.26, 40,406.62 and 9,403.68 is: 14,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.26 : 40,406.62 = 9,403.68 : x
  2. Step 2: Convert to fraction form
    26,931.26/40,406.62 = 9,403.68/x
  3. Step 3: Cross multiply
    26,931.26x = 40,406.62 × 9,403.68
  4. Step 4: Simplify right side
    26,931.26x = 379,970,924.36
  5. Step 5: Solve for x
    x = 379,970,924.36/26,931.26
  6. Step 6: Final answer
    x = 14,108.92

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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.