Home / 25,043.50-34,561.11-13,865.50

Finding the Fourth Proportional to 25,043.50, 34,561.11 and 13,865.50

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Solution

The fourth proportional to 25,043.50, 34,561.11 and 13,865.50 is: 19,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.50 : 34,561.11 = 13,865.50 : x
  2. Step 2: Convert to fraction form
    25,043.50/34,561.11 = 13,865.50/x
  3. Step 3: Cross multiply
    25,043.50x = 34,561.11 × 13,865.50
  4. Step 4: Simplify right side
    25,043.50x = 479,207,070.71
  5. Step 5: Solve for x
    x = 479,207,070.71/25,043.50
  6. Step 6: Final answer
    x = 19,134.99

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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.