Home / 13,576.56-20,357.64-7,000.08

Finding the Fourth Proportional to 13,576.56, 20,357.64 and 7,000.08

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Solution

The fourth proportional to 13,576.56, 20,357.64 and 7,000.08 is: 10,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.56 : 20,357.64 = 7,000.08 : x
  2. Step 2: Convert to fraction form
    13,576.56/20,357.64 = 7,000.08/x
  3. Step 3: Cross multiply
    13,576.56x = 20,357.64 × 7,000.08
  4. Step 4: Simplify right side
    13,576.56x = 142,505,108.61
  5. Step 5: Solve for x
    x = 142,505,108.61/13,576.56
  6. Step 6: Final answer
    x = 10,496.41

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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.