Home / 13,310.16-18,376.56-8,281.23

Finding the Fourth Proportional to 13,310.16, 18,376.56 and 8,281.23

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Solution

The fourth proportional to 13,310.16, 18,376.56 and 8,281.23 is: 11,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.16 : 18,376.56 = 8,281.23 : x
  2. Step 2: Convert to fraction form
    13,310.16/18,376.56 = 8,281.23/x
  3. Step 3: Cross multiply
    13,310.16x = 18,376.56 × 8,281.23
  4. Step 4: Simplify right side
    13,310.16x = 152,180,519.97
  5. Step 5: Solve for x
    x = 152,180,519.97/13,310.16
  6. Step 6: Final answer
    x = 11,433.41

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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.