Home / 17,589.12-26,382.72-4,939.74

Finding the Fourth Proportional to 17,589.12, 26,382.72 and 4,939.74

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Solution

The fourth proportional to 17,589.12, 26,382.72 and 4,939.74 is: 7,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,589.12 : 26,382.72 = 4,939.74 : x
  2. Step 2: Convert to fraction form
    17,589.12/26,382.72 = 4,939.74/x
  3. Step 3: Cross multiply
    17,589.12x = 26,382.72 × 4,939.74
  4. Step 4: Simplify right side
    17,589.12x = 130,323,777.29
  5. Step 5: Solve for x
    x = 130,323,777.29/17,589.12
  6. Step 6: Final answer
    x = 7,409.34

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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.