Home / 13,316.58-18,371.07-8,008.35

Finding the Fourth Proportional to 13,316.58, 18,371.07 and 8,008.35

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Solution

The fourth proportional to 13,316.58, 18,371.07 and 8,008.35 is: 11,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.58 : 18,371.07 = 8,008.35 : x
  2. Step 2: Convert to fraction form
    13,316.58/18,371.07 = 8,008.35/x
  3. Step 3: Cross multiply
    13,316.58x = 18,371.07 × 8,008.35
  4. Step 4: Simplify right side
    13,316.58x = 147,121,958.43
  5. Step 5: Solve for x
    x = 147,121,958.43/13,316.58
  6. Step 6: Final answer
    x = 11,048.03

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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.