Home / 13,613.17-20,425.04-5,299.03

Finding the Fourth Proportional to 13,613.17, 20,425.04 and 5,299.03

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Solution

The fourth proportional to 13,613.17, 20,425.04 and 5,299.03 is: 7,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613.17 : 20,425.04 = 5,299.03 : x
  2. Step 2: Convert to fraction form
    13,613.17/20,425.04 = 5,299.03/x
  3. Step 3: Cross multiply
    13,613.17x = 20,425.04 × 5,299.03
  4. Step 4: Simplify right side
    13,613.17x = 108,232,899.71
  5. Step 5: Solve for x
    x = 108,232,899.71/13,613.17
  6. Step 6: Final answer
    x = 7,950.60

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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.