Home / 12,863.51-19,295.14-9,762.56

Finding the Fourth Proportional to 12,863.51, 19,295.14 and 9,762.56

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Solution

The fourth proportional to 12,863.51, 19,295.14 and 9,762.56 is: 14,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.51 : 19,295.14 = 9,762.56 : x
  2. Step 2: Convert to fraction form
    12,863.51/19,295.14 = 9,762.56/x
  3. Step 3: Cross multiply
    12,863.51x = 19,295.14 × 9,762.56
  4. Step 4: Simplify right side
    12,863.51x = 188,369,961.96
  5. Step 5: Solve for x
    x = 188,369,961.96/12,863.51
  6. Step 6: Final answer
    x = 14,643.75

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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.