Home / 25,931.85-35,785.44-15,183.06

Finding the Fourth Proportional to 25,931.85, 35,785.44 and 15,183.06

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Solution

The fourth proportional to 25,931.85, 35,785.44 and 15,183.06 is: 20,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.85 : 35,785.44 = 15,183.06 : x
  2. Step 2: Convert to fraction form
    25,931.85/35,785.44 = 15,183.06/x
  3. Step 3: Cross multiply
    25,931.85x = 35,785.44 × 15,183.06
  4. Step 4: Simplify right side
    25,931.85x = 543,332,482.65
  5. Step 5: Solve for x
    x = 543,332,482.65/25,931.85
  6. Step 6: Final answer
    x = 20,952.32

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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.