Home / 46,499.54-69,738.80-13,218.86

Finding the Fourth Proportional to 46,499.54, 69,738.80 and 13,218.86

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Solution

The fourth proportional to 46,499.54, 69,738.80 and 13,218.86 is: 19,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,499.54 : 69,738.80 = 13,218.86 : x
  2. Step 2: Convert to fraction form
    46,499.54/69,738.80 = 13,218.86/x
  3. Step 3: Cross multiply
    46,499.54x = 69,738.80 × 13,218.86
  4. Step 4: Simplify right side
    46,499.54x = 921,867,542.02
  5. Step 5: Solve for x
    x = 921,867,542.02/46,499.54
  6. Step 6: Final answer
    x = 19,825.31

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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.