Home / 25,847.60-38,777.16-14,157.68

Finding the Fourth Proportional to 25,847.60, 38,777.16 and 14,157.68

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Solution

The fourth proportional to 25,847.60, 38,777.16 and 14,157.68 is: 21,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.60 : 38,777.16 = 14,157.68 : x
  2. Step 2: Convert to fraction form
    25,847.60/38,777.16 = 14,157.68/x
  3. Step 3: Cross multiply
    25,847.60x = 38,777.16 × 14,157.68
  4. Step 4: Simplify right side
    25,847.60x = 548,994,622.59
  5. Step 5: Solve for x
    x = 548,994,622.59/25,847.60
  6. Step 6: Final answer
    x = 21,239.67

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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.