Home / 13,070.43-18,033.21-7,404.27

Finding the Fourth Proportional to 13,070.43, 18,033.21 and 7,404.27

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Solution

The fourth proportional to 13,070.43, 18,033.21 and 7,404.27 is: 10,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.43 : 18,033.21 = 7,404.27 : x
  2. Step 2: Convert to fraction form
    13,070.43/18,033.21 = 7,404.27/x
  3. Step 3: Cross multiply
    13,070.43x = 18,033.21 × 7,404.27
  4. Step 4: Simplify right side
    13,070.43x = 133,522,755.81
  5. Step 5: Solve for x
    x = 133,522,755.81/13,070.43
  6. Step 6: Final answer
    x = 10,215.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.