Home / 19,665.12-29,495.76-7,194.24

Finding the Fourth Proportional to 19,665.12, 29,495.76 and 7,194.24

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Solution

The fourth proportional to 19,665.12, 29,495.76 and 7,194.24 is: 10,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.12 : 29,495.76 = 7,194.24 : x
  2. Step 2: Convert to fraction form
    19,665.12/29,495.76 = 7,194.24/x
  3. Step 3: Cross multiply
    19,665.12x = 29,495.76 × 7,194.24
  4. Step 4: Simplify right side
    19,665.12x = 212,199,576.42
  5. Step 5: Solve for x
    x = 212,199,576.42/19,665.12
  6. Step 6: Final answer
    x = 10,790.66

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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.