Home / 25,790.24-38,696.29-14,089.79

Finding the Fourth Proportional to 25,790.24, 38,696.29 and 14,089.79

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Solution

The fourth proportional to 25,790.24, 38,696.29 and 14,089.79 is: 21,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.24 : 38,696.29 = 14,089.79 : x
  2. Step 2: Convert to fraction form
    25,790.24/38,696.29 = 14,089.79/x
  3. Step 3: Cross multiply
    25,790.24x = 38,696.29 × 14,089.79
  4. Step 4: Simplify right side
    25,790.24x = 545,222,406.40
  5. Step 5: Solve for x
    x = 545,222,406.40/25,790.24
  6. Step 6: Final answer
    x = 21,140.65

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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.