Home / 13,416.79-20,135.81-7,096.16

Finding the Fourth Proportional to 13,416.79, 20,135.81 and 7,096.16

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Solution

The fourth proportional to 13,416.79, 20,135.81 and 7,096.16 is: 10,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.79 : 20,135.81 = 7,096.16 : x
  2. Step 2: Convert to fraction form
    13,416.79/20,135.81 = 7,096.16/x
  3. Step 3: Cross multiply
    13,416.79x = 20,135.81 × 7,096.16
  4. Step 4: Simplify right side
    13,416.79x = 142,886,846.55
  5. Step 5: Solve for x
    x = 142,886,846.55/13,416.79
  6. Step 6: Final answer
    x = 10,649.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.