Home / 18,590.40-25,654.05-11,516.67

Finding the Fourth Proportional to 18,590.40, 25,654.05 and 11,516.67

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Solution

The fourth proportional to 18,590.40, 25,654.05 and 11,516.67 is: 15,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.40 : 25,654.05 = 11,516.67 : x
  2. Step 2: Convert to fraction form
    18,590.40/25,654.05 = 11,516.67/x
  3. Step 3: Cross multiply
    18,590.40x = 25,654.05 × 11,516.67
  4. Step 4: Simplify right side
    18,590.40x = 295,449,228.01
  5. Step 5: Solve for x
    x = 295,449,228.01/18,590.40
  6. Step 6: Final answer
    x = 15,892.57

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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.