Home / 14,913.36-20,580.45-8,199.10

Finding the Fourth Proportional to 14,913.36, 20,580.45 and 8,199.10

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Solution

The fourth proportional to 14,913.36, 20,580.45 and 8,199.10 is: 11,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.36 : 20,580.45 = 8,199.10 : x
  2. Step 2: Convert to fraction form
    14,913.36/20,580.45 = 8,199.10/x
  3. Step 3: Cross multiply
    14,913.36x = 20,580.45 × 8,199.10
  4. Step 4: Simplify right side
    14,913.36x = 168,741,104.69
  5. Step 5: Solve for x
    x = 168,741,104.69/14,913.36
  6. Step 6: Final answer
    x = 11,314.76

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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.