Home / 14,891.60-20,544.36-9,222.32

Finding the Fourth Proportional to 14,891.60, 20,544.36 and 9,222.32

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Solution

The fourth proportional to 14,891.60, 20,544.36 and 9,222.32 is: 12,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.60 : 20,544.36 = 9,222.32 : x
  2. Step 2: Convert to fraction form
    14,891.60/20,544.36 = 9,222.32/x
  3. Step 3: Cross multiply
    14,891.60x = 20,544.36 × 9,222.32
  4. Step 4: Simplify right side
    14,891.60x = 189,466,662.12
  5. Step 5: Solve for x
    x = 189,466,662.12/14,891.60
  6. Step 6: Final answer
    x = 12,723.06

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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.