Home / 25,152.65-37,693.92-18,905.37

Finding the Fourth Proportional to 25,152.65, 37,693.92 and 18,905.37

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Solution

The fourth proportional to 25,152.65, 37,693.92 and 18,905.37 is: 28,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.65 : 37,693.92 = 18,905.37 : x
  2. Step 2: Convert to fraction form
    25,152.65/37,693.92 = 18,905.37/x
  3. Step 3: Cross multiply
    25,152.65x = 37,693.92 × 18,905.37
  4. Step 4: Simplify right side
    25,152.65x = 712,617,551.61
  5. Step 5: Solve for x
    x = 712,617,551.61/25,152.65
  6. Step 6: Final answer
    x = 28,331.71

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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.