Home / 46,456.56-69,694.74-13,186.80

Finding the Fourth Proportional to 46,456.56, 69,694.74 and 13,186.80

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Solution

The fourth proportional to 46,456.56, 69,694.74 and 13,186.80 is: 19,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,456.56 : 69,694.74 = 13,186.80 : x
  2. Step 2: Convert to fraction form
    46,456.56/69,694.74 = 13,186.80/x
  3. Step 3: Cross multiply
    46,456.56x = 69,694.74 × 13,186.80
  4. Step 4: Simplify right side
    46,456.56x = 919,050,597.43
  5. Step 5: Solve for x
    x = 919,050,597.43/46,456.56
  6. Step 6: Final answer
    x = 19,783.01

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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.