Home / 14,418.91-19,890.51-11,733.15

Finding the Fourth Proportional to 14,418.91, 19,890.51 and 11,733.15

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Solution

The fourth proportional to 14,418.91, 19,890.51 and 11,733.15 is: 16,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.91 : 19,890.51 = 11,733.15 : x
  2. Step 2: Convert to fraction form
    14,418.91/19,890.51 = 11,733.15/x
  3. Step 3: Cross multiply
    14,418.91x = 19,890.51 × 11,733.15
  4. Step 4: Simplify right side
    14,418.91x = 233,378,337.41
  5. Step 5: Solve for x
    x = 233,378,337.41/14,418.91
  6. Step 6: Final answer
    x = 16,185.58

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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.