Home / 13,568.36-18,680.82-10,580.36

Finding the Fourth Proportional to 13,568.36, 18,680.82 and 10,580.36

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Solution

The fourth proportional to 13,568.36, 18,680.82 and 10,580.36 is: 14,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.36 : 18,680.82 = 10,580.36 : x
  2. Step 2: Convert to fraction form
    13,568.36/18,680.82 = 10,580.36/x
  3. Step 3: Cross multiply
    13,568.36x = 18,680.82 × 10,580.36
  4. Step 4: Simplify right side
    13,568.36x = 197,649,800.70
  5. Step 5: Solve for x
    x = 197,649,800.70/13,568.36
  6. Step 6: Final answer
    x = 14,566.96

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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.