Home / 30,126.74-41,570.01-18,794.43

Finding the Fourth Proportional to 30,126.74, 41,570.01 and 18,794.43

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Solution

The fourth proportional to 30,126.74, 41,570.01 and 18,794.43 is: 25,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.74 : 41,570.01 = 18,794.43 : x
  2. Step 2: Convert to fraction form
    30,126.74/41,570.01 = 18,794.43/x
  3. Step 3: Cross multiply
    30,126.74x = 41,570.01 × 18,794.43
  4. Step 4: Simplify right side
    30,126.74x = 781,284,643.04
  5. Step 5: Solve for x
    x = 781,284,643.04/30,126.74
  6. Step 6: Final answer
    x = 25,933.27

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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.