Home / 15,004.20-22,491.90-11,670.60

Finding the Fourth Proportional to 15,004.20, 22,491.90 and 11,670.60

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Solution

The fourth proportional to 15,004.20, 22,491.90 and 11,670.60 is: 17,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.20 : 22,491.90 = 11,670.60 : x
  2. Step 2: Convert to fraction form
    15,004.20/22,491.90 = 11,670.60/x
  3. Step 3: Cross multiply
    15,004.20x = 22,491.90 × 11,670.60
  4. Step 4: Simplify right side
    15,004.20x = 262,493,968.14
  5. Step 5: Solve for x
    x = 262,493,968.14/15,004.20
  6. Step 6: Final answer
    x = 17,494.70

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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.