Home / 27,568.40-38,050.44-18,137.84

Finding the Fourth Proportional to 27,568.40, 38,050.44 and 18,137.84

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Solution

The fourth proportional to 27,568.40, 38,050.44 and 18,137.84 is: 25,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.40 : 38,050.44 = 18,137.84 : x
  2. Step 2: Convert to fraction form
    27,568.40/38,050.44 = 18,137.84/x
  3. Step 3: Cross multiply
    27,568.40x = 38,050.44 × 18,137.84
  4. Step 4: Simplify right side
    27,568.40x = 690,152,792.65
  5. Step 5: Solve for x
    x = 690,152,792.65/27,568.40
  6. Step 6: Final answer
    x = 25,034.20

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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.