Home / 19,851.15-27,355.10-14,169.87

Finding the Fourth Proportional to 19,851.15, 27,355.10 and 14,169.87

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Solution

The fourth proportional to 19,851.15, 27,355.10 and 14,169.87 is: 19,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.15 : 27,355.10 = 14,169.87 : x
  2. Step 2: Convert to fraction form
    19,851.15/27,355.10 = 14,169.87/x
  3. Step 3: Cross multiply
    19,851.15x = 27,355.10 × 14,169.87
  4. Step 4: Simplify right side
    19,851.15x = 387,618,139.99
  5. Step 5: Solve for x
    x = 387,618,139.99/19,851.15
  6. Step 6: Final answer
    x = 19,526.23

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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.