Home / 17,828.55-26,742.83-10,830.15

Finding the Fourth Proportional to 17,828.55, 26,742.83 and 10,830.15

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Solution

The fourth proportional to 17,828.55, 26,742.83 and 10,830.15 is: 16,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.55 : 26,742.83 = 10,830.15 : x
  2. Step 2: Convert to fraction form
    17,828.55/26,742.83 = 10,830.15/x
  3. Step 3: Cross multiply
    17,828.55x = 26,742.83 × 10,830.15
  4. Step 4: Simplify right side
    17,828.55x = 289,628,806.17
  5. Step 5: Solve for x
    x = 289,628,806.17/17,828.55
  6. Step 6: Final answer
    x = 16,245.23

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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.