Home / 13,919.86-19,227.81-10,376.92

Finding the Fourth Proportional to 13,919.86, 19,227.81 and 10,376.92

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Solution

The fourth proportional to 13,919.86, 19,227.81 and 10,376.92 is: 14,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.86 : 19,227.81 = 10,376.92 : x
  2. Step 2: Convert to fraction form
    13,919.86/19,227.81 = 10,376.92/x
  3. Step 3: Cross multiply
    13,919.86x = 19,227.81 × 10,376.92
  4. Step 4: Simplify right side
    13,919.86x = 199,525,446.15
  5. Step 5: Solve for x
    x = 199,525,446.15/13,919.86
  6. Step 6: Final answer
    x = 14,333.87

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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.