Home / 14,622.10-20,180.22-8,653.75

Finding the Fourth Proportional to 14,622.10, 20,180.22 and 8,653.75

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Solution

The fourth proportional to 14,622.10, 20,180.22 and 8,653.75 is: 11,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.10 : 20,180.22 = 8,653.75 : x
  2. Step 2: Convert to fraction form
    14,622.10/20,180.22 = 8,653.75/x
  3. Step 3: Cross multiply
    14,622.10x = 20,180.22 × 8,653.75
  4. Step 4: Simplify right side
    14,622.10x = 174,634,578.83
  5. Step 5: Solve for x
    x = 174,634,578.83/14,622.10
  6. Step 6: Final answer
    x = 11,943.19

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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.