Home / 19,582.10-29,369.55-12,173.30

Finding the Fourth Proportional to 19,582.10, 29,369.55 and 12,173.30

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Solution

The fourth proportional to 19,582.10, 29,369.55 and 12,173.30 is: 18,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.10 : 29,369.55 = 12,173.30 : x
  2. Step 2: Convert to fraction form
    19,582.10/29,369.55 = 12,173.30/x
  3. Step 3: Cross multiply
    19,582.10x = 29,369.55 × 12,173.30
  4. Step 4: Simplify right side
    19,582.10x = 357,524,343.02
  5. Step 5: Solve for x
    x = 357,524,343.02/19,582.10
  6. Step 6: Final answer
    x = 18,257.71

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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.