Home / 13,416.46-20,124.70-4,651.38

Finding the Fourth Proportional to 13,416.46, 20,124.70 and 4,651.38

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Solution

The fourth proportional to 13,416.46, 20,124.70 and 4,651.38 is: 6,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.46 : 20,124.70 = 4,651.38 : x
  2. Step 2: Convert to fraction form
    13,416.46/20,124.70 = 4,651.38/x
  3. Step 3: Cross multiply
    13,416.46x = 20,124.70 × 4,651.38
  4. Step 4: Simplify right side
    13,416.46x = 93,607,627.09
  5. Step 5: Solve for x
    x = 93,607,627.09/13,416.46
  6. Step 6: Final answer
    x = 6,977.07

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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.