Home / 25,792.47-38,693.57-18,378.54

Finding the Fourth Proportional to 25,792.47, 38,693.57 and 18,378.54

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Solution

The fourth proportional to 25,792.47, 38,693.57 and 18,378.54 is: 27,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.47 : 38,693.57 = 18,378.54 : x
  2. Step 2: Convert to fraction form
    25,792.47/38,693.57 = 18,378.54/x
  3. Step 3: Cross multiply
    25,792.47x = 38,693.57 × 18,378.54
  4. Step 4: Simplify right side
    25,792.47x = 711,131,232.10
  5. Step 5: Solve for x
    x = 711,131,232.10/25,792.47
  6. Step 6: Final answer
    x = 27,571.27

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1.5x scale

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.