Home / 19,163.50-26,448.06-10,781.62

Finding the Fourth Proportional to 19,163.50, 26,448.06 and 10,781.62

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Solution

The fourth proportional to 19,163.50, 26,448.06 and 10,781.62 is: 14,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.50 : 26,448.06 = 10,781.62 : x
  2. Step 2: Convert to fraction form
    19,163.50/26,448.06 = 10,781.62/x
  3. Step 3: Cross multiply
    19,163.50x = 26,448.06 × 10,781.62
  4. Step 4: Simplify right side
    19,163.50x = 285,152,932.66
  5. Step 5: Solve for x
    x = 285,152,932.66/19,163.50
  6. Step 6: Final answer
    x = 14,880.00

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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.