Home / 12,963.55-19,344.18-11,567.29

Finding the Fourth Proportional to 12,963.55, 19,344.18 and 11,567.29

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Solution

The fourth proportional to 12,963.55, 19,344.18 and 11,567.29 is: 17,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.55 : 19,344.18 = 11,567.29 : x
  2. Step 2: Convert to fraction form
    12,963.55/19,344.18 = 11,567.29/x
  3. Step 3: Cross multiply
    12,963.55x = 19,344.18 × 11,567.29
  4. Step 4: Simplify right side
    12,963.55x = 223,759,739.87
  5. Step 5: Solve for x
    x = 223,759,739.87/12,963.55
  6. Step 6: Final answer
    x = 17,260.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.