Home / 25,913.12-38,873.34-12,765.62

Finding the Fourth Proportional to 25,913.12, 38,873.34 and 12,765.62

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Solution

The fourth proportional to 25,913.12, 38,873.34 and 12,765.62 is: 19,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.12 : 38,873.34 = 12,765.62 : x
  2. Step 2: Convert to fraction form
    25,913.12/38,873.34 = 12,765.62/x
  3. Step 3: Cross multiply
    25,913.12x = 38,873.34 × 12,765.62
  4. Step 4: Simplify right side
    25,913.12x = 496,242,286.57
  5. Step 5: Solve for x
    x = 496,242,286.57/25,913.12
  6. Step 6: Final answer
    x = 19,150.23

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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.