Home / 14,825.14-20,455.68-8,854.64

Finding the Fourth Proportional to 14,825.14, 20,455.68 and 8,854.64

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Solution

The fourth proportional to 14,825.14, 20,455.68 and 8,854.64 is: 12,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.14 : 20,455.68 = 8,854.64 : x
  2. Step 2: Convert to fraction form
    14,825.14/20,455.68 = 8,854.64/x
  3. Step 3: Cross multiply
    14,825.14x = 20,455.68 × 8,854.64
  4. Step 4: Simplify right side
    14,825.14x = 181,127,682.36
  5. Step 5: Solve for x
    x = 181,127,682.36/14,825.14
  6. Step 6: Final answer
    x = 12,217.60

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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.