Home / 25,811.89-38,724.30-7,343.89

Finding the Fourth Proportional to 25,811.89, 38,724.30 and 7,343.89

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Solution

The fourth proportional to 25,811.89, 38,724.30 and 7,343.89 is: 11,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.89 : 38,724.30 = 7,343.89 : x
  2. Step 2: Convert to fraction form
    25,811.89/38,724.30 = 7,343.89/x
  3. Step 3: Cross multiply
    25,811.89x = 38,724.30 × 7,343.89
  4. Step 4: Simplify right side
    25,811.89x = 284,386,999.53
  5. Step 5: Solve for x
    x = 284,386,999.53/25,811.89
  6. Step 6: Final answer
    x = 11,017.67

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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.