Home / 19,385.76-29,093.28-14,205.12

Finding the Fourth Proportional to 19,385.76, 29,093.28 and 14,205.12

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Solution

The fourth proportional to 19,385.76, 29,093.28 and 14,205.12 is: 21,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.76 : 29,093.28 = 14,205.12 : x
  2. Step 2: Convert to fraction form
    19,385.76/29,093.28 = 14,205.12/x
  3. Step 3: Cross multiply
    19,385.76x = 29,093.28 × 14,205.12
  4. Step 4: Simplify right side
    19,385.76x = 413,273,533.59
  5. Step 5: Solve for x
    x = 413,273,533.59/19,385.76
  6. Step 6: Final answer
    x = 21,318.41

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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.