Home / 28,206.56-42,310.38-9,483.14

Finding the Fourth Proportional to 28,206.56, 42,310.38 and 9,483.14

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Solution

The fourth proportional to 28,206.56, 42,310.38 and 9,483.14 is: 14,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.56 : 42,310.38 = 9,483.14 : x
  2. Step 2: Convert to fraction form
    28,206.56/42,310.38 = 9,483.14/x
  3. Step 3: Cross multiply
    28,206.56x = 42,310.38 × 9,483.14
  4. Step 4: Simplify right side
    28,206.56x = 401,235,256.99
  5. Step 5: Solve for x
    x = 401,235,256.99/28,206.56
  6. Step 6: Final answer
    x = 14,224.89

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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.