Home / 25,700.30-35,464.44-15,627.36

Finding the Fourth Proportional to 25,700.30, 35,464.44 and 15,627.36

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Solution

The fourth proportional to 25,700.30, 35,464.44 and 15,627.36 is: 21,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.30 : 35,464.44 = 15,627.36 : x
  2. Step 2: Convert to fraction form
    25,700.30/35,464.44 = 15,627.36/x
  3. Step 3: Cross multiply
    25,700.30x = 35,464.44 × 15,627.36
  4. Step 4: Simplify right side
    25,700.30x = 554,215,571.08
  5. Step 5: Solve for x
    x = 554,215,571.08/25,700.30
  6. Step 6: Final answer
    x = 21,564.56

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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.