Home / 13,355.64-20,034.54-4,590.56

Finding the Fourth Proportional to 13,355.64, 20,034.54 and 4,590.56

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Solution

The fourth proportional to 13,355.64, 20,034.54 and 4,590.56 is: 6,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.64 : 20,034.54 = 4,590.56 : x
  2. Step 2: Convert to fraction form
    13,355.64/20,034.54 = 4,590.56/x
  3. Step 3: Cross multiply
    13,355.64x = 20,034.54 × 4,590.56
  4. Step 4: Simplify right side
    13,355.64x = 91,969,757.94
  5. Step 5: Solve for x
    x = 91,969,757.94/13,355.64
  6. Step 6: Final answer
    x = 6,886.21

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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.