Home / 19,811.44-29,718.08-11,039.76

Finding the Fourth Proportional to 19,811.44, 29,718.08 and 11,039.76

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Solution

The fourth proportional to 19,811.44, 29,718.08 and 11,039.76 is: 16,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.44 : 29,718.08 = 11,039.76 : x
  2. Step 2: Convert to fraction form
    19,811.44/29,718.08 = 11,039.76/x
  3. Step 3: Cross multiply
    19,811.44x = 29,718.08 × 11,039.76
  4. Step 4: Simplify right side
    19,811.44x = 328,080,470.86
  5. Step 5: Solve for x
    x = 328,080,470.86/19,811.44
  6. Step 6: Final answer
    x = 16,560.15

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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.