Home / 13,336.23-18,403.36-7,367.95

Finding the Fourth Proportional to 13,336.23, 18,403.36 and 7,367.95

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Solution

The fourth proportional to 13,336.23, 18,403.36 and 7,367.95 is: 10,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.23 : 18,403.36 = 7,367.95 : x
  2. Step 2: Convert to fraction form
    13,336.23/18,403.36 = 7,367.95/x
  3. Step 3: Cross multiply
    13,336.23x = 18,403.36 × 7,367.95
  4. Step 4: Simplify right side
    13,336.23x = 135,595,036.31
  5. Step 5: Solve for x
    x = 135,595,036.31/13,336.23
  6. Step 6: Final answer
    x = 10,167.42

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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.