Home / 25,140.35-37,710.49-6,420.38

Finding the Fourth Proportional to 25,140.35, 37,710.49 and 6,420.38

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Solution

The fourth proportional to 25,140.35, 37,710.49 and 6,420.38 is: 9,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.35 : 37,710.49 = 6,420.38 : x
  2. Step 2: Convert to fraction form
    25,140.35/37,710.49 = 6,420.38/x
  3. Step 3: Cross multiply
    25,140.35x = 37,710.49 × 6,420.38
  4. Step 4: Simplify right side
    25,140.35x = 242,115,487.23
  5. Step 5: Solve for x
    x = 242,115,487.23/25,140.35
  6. Step 6: Final answer
    x = 9,630.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.