Home / 25,728.65-35,494.26-15,113.49

Finding the Fourth Proportional to 25,728.65, 35,494.26 and 15,113.49

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Solution

The fourth proportional to 25,728.65, 35,494.26 and 15,113.49 is: 20,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.65 : 35,494.26 = 15,113.49 : x
  2. Step 2: Convert to fraction form
    25,728.65/35,494.26 = 15,113.49/x
  3. Step 3: Cross multiply
    25,728.65x = 35,494.26 × 15,113.49
  4. Step 4: Simplify right side
    25,728.65x = 536,442,143.57
  5. Step 5: Solve for x
    x = 536,442,143.57/25,728.65
  6. Step 6: Final answer
    x = 20,850.00

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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.