Home / 14,913.44-20,580.56-8,199.50

Finding the Fourth Proportional to 14,913.44, 20,580.56 and 8,199.50

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Solution

The fourth proportional to 14,913.44, 20,580.56 and 8,199.50 is: 11,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.44 : 20,580.56 = 8,199.50 : x
  2. Step 2: Convert to fraction form
    14,913.44/20,580.56 = 8,199.50/x
  3. Step 3: Cross multiply
    14,913.44x = 20,580.56 × 8,199.50
  4. Step 4: Simplify right side
    14,913.44x = 168,750,301.72
  5. Step 5: Solve for x
    x = 168,750,301.72/14,913.44
  6. Step 6: Final answer
    x = 11,315.32

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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.