Home / 25,636.24-35,378.10-15,025.90

Finding the Fourth Proportional to 25,636.24, 35,378.10 and 15,025.90

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Solution

The fourth proportional to 25,636.24, 35,378.10 and 15,025.90 is: 20,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.24 : 35,378.10 = 15,025.90 : x
  2. Step 2: Convert to fraction form
    25,636.24/35,378.10 = 15,025.90/x
  3. Step 3: Cross multiply
    25,636.24x = 35,378.10 × 15,025.90
  4. Step 4: Simplify right side
    25,636.24x = 531,587,792.79
  5. Step 5: Solve for x
    x = 531,587,792.79/25,636.24
  6. Step 6: Final answer
    x = 20,735.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.