Home / 19,310.86-26,639.58-12,593.44

Finding the Fourth Proportional to 19,310.86, 26,639.58 and 12,593.44

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Solution

The fourth proportional to 19,310.86, 26,639.58 and 12,593.44 is: 17,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.86 : 26,639.58 = 12,593.44 : x
  2. Step 2: Convert to fraction form
    19,310.86/26,639.58 = 12,593.44/x
  3. Step 3: Cross multiply
    19,310.86x = 26,639.58 × 12,593.44
  4. Step 4: Simplify right side
    19,310.86x = 335,483,952.36
  5. Step 5: Solve for x
    x = 335,483,952.36/19,310.86
  6. Step 6: Final answer
    x = 17,372.81

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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.