Home / 25,635.28-35,370.64-15,563.52

Finding the Fourth Proportional to 25,635.28, 35,370.64 and 15,563.52

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Solution

The fourth proportional to 25,635.28, 35,370.64 and 15,563.52 is: 21,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.28 : 35,370.64 = 15,563.52 : x
  2. Step 2: Convert to fraction form
    25,635.28/35,370.64 = 15,563.52/x
  3. Step 3: Cross multiply
    25,635.28x = 35,370.64 × 15,563.52
  4. Step 4: Simplify right side
    25,635.28x = 550,491,663.05
  5. Step 5: Solve for x
    x = 550,491,663.05/25,635.28
  6. Step 6: Final answer
    x = 21,473.99

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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.