Home / 53,726.67-80,589.96-18,666.63

Finding the Fourth Proportional to 53,726.67, 80,589.96 and 18,666.63

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Solution

The fourth proportional to 53,726.67, 80,589.96 and 18,666.63 is: 27,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.67 : 80,589.96 = 18,666.63 : x
  2. Step 2: Convert to fraction form
    53,726.67/80,589.96 = 18,666.63/x
  3. Step 3: Cross multiply
    53,726.67x = 80,589.96 × 18,666.63
  4. Step 4: Simplify right side
    53,726.67x = 1,504,342,965.03
  5. Step 5: Solve for x
    x = 1,504,342,965.03/53,726.67
  6. Step 6: Final answer
    x = 27,999.93

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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.