Home / 13,717.58-20,578.61-4,830.62

Finding the Fourth Proportional to 13,717.58, 20,578.61 and 4,830.62

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Solution

The fourth proportional to 13,717.58, 20,578.61 and 4,830.62 is: 7,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.58 : 20,578.61 = 4,830.62 : x
  2. Step 2: Convert to fraction form
    13,717.58/20,578.61 = 4,830.62/x
  3. Step 3: Cross multiply
    13,717.58x = 20,578.61 × 4,830.62
  4. Step 4: Simplify right side
    13,717.58x = 99,407,354.22
  5. Step 5: Solve for x
    x = 99,407,354.22/13,717.58
  6. Step 6: Final answer
    x = 7,246.71

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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.