Home / 25,568.28-35,277.12-15,356.60

Finding the Fourth Proportional to 25,568.28, 35,277.12 and 15,356.60

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Solution

The fourth proportional to 25,568.28, 35,277.12 and 15,356.60 is: 21,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.28 : 35,277.12 = 15,356.60 : x
  2. Step 2: Convert to fraction form
    25,568.28/35,277.12 = 15,356.60/x
  3. Step 3: Cross multiply
    25,568.28x = 35,277.12 × 15,356.60
  4. Step 4: Simplify right side
    25,568.28x = 541,736,620.99
  5. Step 5: Solve for x
    x = 541,736,620.99/25,568.28
  6. Step 6: Final answer
    x = 21,187.84

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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.