Home / 27,183.39-40,785.47-10,555.10

Finding the Fourth Proportional to 27,183.39, 40,785.47 and 10,555.10

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Solution

The fourth proportional to 27,183.39, 40,785.47 and 10,555.10 is: 15,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.39 : 40,785.47 = 10,555.10 : x
  2. Step 2: Convert to fraction form
    27,183.39/40,785.47 = 10,555.10/x
  3. Step 3: Cross multiply
    27,183.39x = 40,785.47 × 10,555.10
  4. Step 4: Simplify right side
    27,183.39x = 430,494,457.69
  5. Step 5: Solve for x
    x = 430,494,457.69/27,183.39
  6. Step 6: Final answer
    x = 15,836.67

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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.