Home / 13,343.57-18,416.66-8,798.25

Finding the Fourth Proportional to 13,343.57, 18,416.66 and 8,798.25

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Solution

The fourth proportional to 13,343.57, 18,416.66 and 8,798.25 is: 12,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.57 : 18,416.66 = 8,798.25 : x
  2. Step 2: Convert to fraction form
    13,343.57/18,416.66 = 8,798.25/x
  3. Step 3: Cross multiply
    13,343.57x = 18,416.66 × 8,798.25
  4. Step 4: Simplify right side
    13,343.57x = 162,034,378.85
  5. Step 5: Solve for x
    x = 162,034,378.85/13,343.57
  6. Step 6: Final answer
    x = 12,143.26

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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.