Home / 12,825.24-19,228.24-8,653.52

Finding the Fourth Proportional to 12,825.24, 19,228.24 and 8,653.52

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Solution

The fourth proportional to 12,825.24, 19,228.24 and 8,653.52 is: 12,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.24 : 19,228.24 = 8,653.52 : x
  2. Step 2: Convert to fraction form
    12,825.24/19,228.24 = 8,653.52/x
  3. Step 3: Cross multiply
    12,825.24x = 19,228.24 × 8,653.52
  4. Step 4: Simplify right side
    12,825.24x = 166,391,959.40
  5. Step 5: Solve for x
    x = 166,391,959.40/12,825.24
  6. Step 6: Final answer
    x = 12,973.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.