Home / 19,681.93-29,519.84-7,199.03

Finding the Fourth Proportional to 19,681.93, 29,519.84 and 7,199.03

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Solution

The fourth proportional to 19,681.93, 29,519.84 and 7,199.03 is: 10,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.93 : 29,519.84 = 7,199.03 : x
  2. Step 2: Convert to fraction form
    19,681.93/29,519.84 = 7,199.03/x
  3. Step 3: Cross multiply
    19,681.93x = 29,519.84 × 7,199.03
  4. Step 4: Simplify right side
    19,681.93x = 212,514,231.75
  5. Step 5: Solve for x
    x = 212,514,231.75/19,681.93
  6. Step 6: Final answer
    x = 10,797.43

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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.