Home / 19,039.58-26,310.76-14,315.66

Finding the Fourth Proportional to 19,039.58, 26,310.76 and 14,315.66

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Solution

The fourth proportional to 19,039.58, 26,310.76 and 14,315.66 is: 19,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.58 : 26,310.76 = 14,315.66 : x
  2. Step 2: Convert to fraction form
    19,039.58/26,310.76 = 14,315.66/x
  3. Step 3: Cross multiply
    19,039.58x = 26,310.76 × 14,315.66
  4. Step 4: Simplify right side
    19,039.58x = 376,655,727.16
  5. Step 5: Solve for x
    x = 376,655,727.16/19,039.58
  6. Step 6: Final answer
    x = 19,782.78

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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.