Home / 13,576.02-18,736.28-7,608.75

Finding the Fourth Proportional to 13,576.02, 18,736.28 and 7,608.75

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Solution

The fourth proportional to 13,576.02, 18,736.28 and 7,608.75 is: 10,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.02 : 18,736.28 = 7,608.75 : x
  2. Step 2: Convert to fraction form
    13,576.02/18,736.28 = 7,608.75/x
  3. Step 3: Cross multiply
    13,576.02x = 18,736.28 × 7,608.75
  4. Step 4: Simplify right side
    13,576.02x = 142,559,670.45
  5. Step 5: Solve for x
    x = 142,559,670.45/13,576.02
  6. Step 6: Final answer
    x = 10,500.84

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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.