Home / 15,783.99-23,690.58-7,998.27

Finding the Fourth Proportional to 15,783.99, 23,690.58 and 7,998.27

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Solution

The fourth proportional to 15,783.99, 23,690.58 and 7,998.27 is: 12,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.99 : 23,690.58 = 7,998.27 : x
  2. Step 2: Convert to fraction form
    15,783.99/23,690.58 = 7,998.27/x
  3. Step 3: Cross multiply
    15,783.99x = 23,690.58 × 7,998.27
  4. Step 4: Simplify right side
    15,783.99x = 189,483,655.30
  5. Step 5: Solve for x
    x = 189,483,655.30/15,783.99
  6. Step 6: Final answer
    x = 12,004.80

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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.