Home / 19,811.02-29,732.94-9,953.14

Finding the Fourth Proportional to 19,811.02, 29,732.94 and 9,953.14

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Solution

The fourth proportional to 19,811.02, 29,732.94 and 9,953.14 is: 14,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.02 : 29,732.94 = 9,953.14 : x
  2. Step 2: Convert to fraction form
    19,811.02/29,732.94 = 9,953.14/x
  3. Step 3: Cross multiply
    19,811.02x = 29,732.94 × 9,953.14
  4. Step 4: Simplify right side
    19,811.02x = 295,936,114.43
  5. Step 5: Solve for x
    x = 295,936,114.43/19,811.02
  6. Step 6: Final answer
    x = 14,937.95

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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.