Home / 19,452.96-28,994.38-18,345.69

Finding the Fourth Proportional to 19,452.96, 28,994.38 and 18,345.69

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Solution

The fourth proportional to 19,452.96, 28,994.38 and 18,345.69 is: 27,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.96 : 28,994.38 = 18,345.69 : x
  2. Step 2: Convert to fraction form
    19,452.96/28,994.38 = 18,345.69/x
  3. Step 3: Cross multiply
    19,452.96x = 28,994.38 × 18,345.69
  4. Step 4: Simplify right side
    19,452.96x = 531,921,861.36
  5. Step 5: Solve for x
    x = 531,921,861.36/19,452.96
  6. Step 6: Final answer
    x = 27,344.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.