Home / 19,302.93-28,950.34-5,448.69

Finding the Fourth Proportional to 19,302.93, 28,950.34 and 5,448.69

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Solution

The fourth proportional to 19,302.93, 28,950.34 and 5,448.69 is: 8,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.93 : 28,950.34 = 5,448.69 : x
  2. Step 2: Convert to fraction form
    19,302.93/28,950.34 = 5,448.69/x
  3. Step 3: Cross multiply
    19,302.93x = 28,950.34 × 5,448.69
  4. Step 4: Simplify right side
    19,302.93x = 157,741,428.05
  5. Step 5: Solve for x
    x = 157,741,428.05/19,302.93
  6. Step 6: Final answer
    x = 8,171.89

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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.