Home / 14,911.08-20,568.78-9,243.24

Finding the Fourth Proportional to 14,911.08, 20,568.78 and 9,243.24

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Solution

The fourth proportional to 14,911.08, 20,568.78 and 9,243.24 is: 12,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.08 : 20,568.78 = 9,243.24 : x
  2. Step 2: Convert to fraction form
    14,911.08/20,568.78 = 9,243.24/x
  3. Step 3: Cross multiply
    14,911.08x = 20,568.78 × 9,243.24
  4. Step 4: Simplify right side
    14,911.08x = 190,122,170.05
  5. Step 5: Solve for x
    x = 190,122,170.05/14,911.08
  6. Step 6: Final answer
    x = 12,750.40

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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.