Home / 13,098.24-18,074.16-7,792.20

Finding the Fourth Proportional to 13,098.24, 18,074.16 and 7,792.20

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Solution

The fourth proportional to 13,098.24, 18,074.16 and 7,792.20 is: 10,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.24 : 18,074.16 = 7,792.20 : x
  2. Step 2: Convert to fraction form
    13,098.24/18,074.16 = 7,792.20/x
  3. Step 3: Cross multiply
    13,098.24x = 18,074.16 × 7,792.20
  4. Step 4: Simplify right side
    13,098.24x = 140,837,469.55
  5. Step 5: Solve for x
    x = 140,837,469.55/13,098.24
  6. Step 6: Final answer
    x = 10,752.40

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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.