Home / 14,580.55-20,119.59-8,207.03

Finding the Fourth Proportional to 14,580.55, 20,119.59 and 8,207.03

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Solution

The fourth proportional to 14,580.55, 20,119.59 and 8,207.03 is: 11,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.55 : 20,119.59 = 8,207.03 : x
  2. Step 2: Convert to fraction form
    14,580.55/20,119.59 = 8,207.03/x
  3. Step 3: Cross multiply
    14,580.55x = 20,119.59 × 8,207.03
  4. Step 4: Simplify right side
    14,580.55x = 165,122,015.84
  5. Step 5: Solve for x
    x = 165,122,015.84/14,580.55
  6. Step 6: Final answer
    x = 11,324.82

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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.