Home / 14,044.31-19,336.93-11,915.43

Finding the Fourth Proportional to 14,044.31, 19,336.93 and 11,915.43

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Solution

The fourth proportional to 14,044.31, 19,336.93 and 11,915.43 is: 16,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.31 : 19,336.93 = 11,915.43 : x
  2. Step 2: Convert to fraction form
    14,044.31/19,336.93 = 11,915.43/x
  3. Step 3: Cross multiply
    14,044.31x = 19,336.93 × 11,915.43
  4. Step 4: Simplify right side
    14,044.31x = 230,407,733.53
  5. Step 5: Solve for x
    x = 230,407,733.53/14,044.31
  6. Step 6: Final answer
    x = 16,405.77

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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.