Home / 19,929.94-27,505.26-14,885.41

Finding the Fourth Proportional to 19,929.94, 27,505.26 and 14,885.41

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Solution

The fourth proportional to 19,929.94, 27,505.26 and 14,885.41 is: 20,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.94 : 27,505.26 = 14,885.41 : x
  2. Step 2: Convert to fraction form
    19,929.94/27,505.26 = 14,885.41/x
  3. Step 3: Cross multiply
    19,929.94x = 27,505.26 × 14,885.41
  4. Step 4: Simplify right side
    19,929.94x = 409,426,934.73
  5. Step 5: Solve for x
    x = 409,426,934.73/19,929.94
  6. Step 6: Final answer
    x = 20,543.31

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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.