Home / 25,635.60-38,453.40-10,840.68

Finding the Fourth Proportional to 25,635.60, 38,453.40 and 10,840.68

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Solution

The fourth proportional to 25,635.60, 38,453.40 and 10,840.68 is: 16,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.60 : 38,453.40 = 10,840.68 : x
  2. Step 2: Convert to fraction form
    25,635.60/38,453.40 = 10,840.68/x
  3. Step 3: Cross multiply
    25,635.60x = 38,453.40 × 10,840.68
  4. Step 4: Simplify right side
    25,635.60x = 416,861,004.31
  5. Step 5: Solve for x
    x = 416,861,004.31/25,635.60
  6. Step 6: Final answer
    x = 16,261.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.