Home / 13,417.75-18,516.75-7,367.96

Finding the Fourth Proportional to 13,417.75, 18,516.75 and 7,367.96

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Solution

The fourth proportional to 13,417.75, 18,516.75 and 7,367.96 is: 10,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.75 : 18,516.75 = 7,367.96 : x
  2. Step 2: Convert to fraction form
    13,417.75/18,516.75 = 7,367.96/x
  3. Step 3: Cross multiply
    13,417.75x = 18,516.75 × 7,367.96
  4. Step 4: Simplify right side
    13,417.75x = 136,430,733.44
  5. Step 5: Solve for x
    x = 136,430,733.44/13,417.75
  6. Step 6: Final answer
    x = 10,167.93

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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.