Home / 13,522.04-20,284.68-5,200.12

Finding the Fourth Proportional to 13,522.04, 20,284.68 and 5,200.12

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Solution

The fourth proportional to 13,522.04, 20,284.68 and 5,200.12 is: 7,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.04 : 20,284.68 = 5,200.12 : x
  2. Step 2: Convert to fraction form
    13,522.04/20,284.68 = 5,200.12/x
  3. Step 3: Cross multiply
    13,522.04x = 20,284.68 × 5,200.12
  4. Step 4: Simplify right side
    13,522.04x = 105,482,770.16
  5. Step 5: Solve for x
    x = 105,482,770.16/13,522.04
  6. Step 6: Final answer
    x = 7,800.80

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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.