Home / 14,253.58-19,668.57-8,285.54

Finding the Fourth Proportional to 14,253.58, 19,668.57 and 8,285.54

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Solution

The fourth proportional to 14,253.58, 19,668.57 and 8,285.54 is: 11,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.58 : 19,668.57 = 8,285.54 : x
  2. Step 2: Convert to fraction form
    14,253.58/19,668.57 = 8,285.54/x
  3. Step 3: Cross multiply
    14,253.58x = 19,668.57 × 8,285.54
  4. Step 4: Simplify right side
    14,253.58x = 162,964,723.48
  5. Step 5: Solve for x
    x = 162,964,723.48/14,253.58
  6. Step 6: Final answer
    x = 11,433.25

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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.