Home / 25,986.96-35,824.68-18,522

Finding the Fourth Proportional to 25,986.96, 35,824.68 and 18,522

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Solution

The fourth proportional to 25,986.96, 35,824.68 and 18,522 is: 25,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.96 : 35,824.68 = 18,522 : x
  2. Step 2: Convert to fraction form
    25,986.96/35,824.68 = 18,522/x
  3. Step 3: Cross multiply
    25,986.96x = 35,824.68 × 18,522
  4. Step 4: Simplify right side
    25,986.96x = 663,544,722.96
  5. Step 5: Solve for x
    x = 663,544,722.96/25,986.96
  6. Step 6: Final answer
    x = 25,533.76

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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.