Home / 34,576.12-47,715.24-19,672.12

Finding the Fourth Proportional to 34,576.12, 47,715.24 and 19,672.12

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Solution

The fourth proportional to 34,576.12, 47,715.24 and 19,672.12 is: 27,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,576.12 : 47,715.24 = 19,672.12 : x
  2. Step 2: Convert to fraction form
    34,576.12/47,715.24 = 19,672.12/x
  3. Step 3: Cross multiply
    34,576.12x = 47,715.24 × 19,672.12
  4. Step 4: Simplify right side
    34,576.12x = 938,659,927.11
  5. Step 5: Solve for x
    x = 938,659,927.11/34,576.12
  6. Step 6: Final answer
    x = 27,147.64

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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.