Home / 13,348.98-18,422.96-7,683.93

Finding the Fourth Proportional to 13,348.98, 18,422.96 and 7,683.93

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Solution

The fourth proportional to 13,348.98, 18,422.96 and 7,683.93 is: 10,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.98 : 18,422.96 = 7,683.93 : x
  2. Step 2: Convert to fraction form
    13,348.98/18,422.96 = 7,683.93/x
  3. Step 3: Cross multiply
    13,348.98x = 18,422.96 × 7,683.93
  4. Step 4: Simplify right side
    13,348.98x = 141,560,696.61
  5. Step 5: Solve for x
    x = 141,560,696.61/13,348.98
  6. Step 6: Final answer
    x = 10,604.61

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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.