Home / 19,556.04-29,331.40-6,406.84

Finding the Fourth Proportional to 19,556.04, 29,331.40 and 6,406.84

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Solution

The fourth proportional to 19,556.04, 29,331.40 and 6,406.84 is: 9,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.04 : 29,331.40 = 6,406.84 : x
  2. Step 2: Convert to fraction form
    19,556.04/29,331.40 = 6,406.84/x
  3. Step 3: Cross multiply
    19,556.04x = 29,331.40 × 6,406.84
  4. Step 4: Simplify right side
    19,556.04x = 187,921,586.78
  5. Step 5: Solve for x
    x = 187,921,586.78/19,556.04
  6. Step 6: Final answer
    x = 9,609.39

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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.