Home / 19,143.68-28,715.64-5,995.04

Finding the Fourth Proportional to 19,143.68, 28,715.64 and 5,995.04

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Solution

The fourth proportional to 19,143.68, 28,715.64 and 5,995.04 is: 8,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.68 : 28,715.64 = 5,995.04 : x
  2. Step 2: Convert to fraction form
    19,143.68/28,715.64 = 5,995.04/x
  3. Step 3: Cross multiply
    19,143.68x = 28,715.64 × 5,995.04
  4. Step 4: Simplify right side
    19,143.68x = 172,151,410.43
  5. Step 5: Solve for x
    x = 172,151,410.43/19,143.68
  6. Step 6: Final answer
    x = 8,992.60

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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.