Home / 25,191.51-37,762.20-12,028.50

Finding the Fourth Proportional to 25,191.51, 37,762.20 and 12,028.50

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Solution

The fourth proportional to 25,191.51, 37,762.20 and 12,028.50 is: 18,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.51 : 37,762.20 = 12,028.50 : x
  2. Step 2: Convert to fraction form
    25,191.51/37,762.20 = 12,028.50/x
  3. Step 3: Cross multiply
    25,191.51x = 37,762.20 × 12,028.50
  4. Step 4: Simplify right side
    25,191.51x = 454,222,622.70
  5. Step 5: Solve for x
    x = 454,222,622.70/25,191.51
  6. Step 6: Final answer
    x = 18,030.78

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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.