Home / 13,133.72-18,106.26-10,334.36

Finding the Fourth Proportional to 13,133.72, 18,106.26 and 10,334.36

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Solution

The fourth proportional to 13,133.72, 18,106.26 and 10,334.36 is: 14,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.72 : 18,106.26 = 10,334.36 : x
  2. Step 2: Convert to fraction form
    13,133.72/18,106.26 = 10,334.36/x
  3. Step 3: Cross multiply
    13,133.72x = 18,106.26 × 10,334.36
  4. Step 4: Simplify right side
    13,133.72x = 187,116,609.09
  5. Step 5: Solve for x
    x = 187,116,609.09/13,133.72
  6. Step 6: Final answer
    x = 14,247.04

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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.