Home / 19,178.83-28,730.57-17,089.03

Finding the Fourth Proportional to 19,178.83, 28,730.57 and 17,089.03

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Solution

The fourth proportional to 19,178.83, 28,730.57 and 17,089.03 is: 25,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.83 : 28,730.57 = 17,089.03 : x
  2. Step 2: Convert to fraction form
    19,178.83/28,730.57 = 17,089.03/x
  3. Step 3: Cross multiply
    19,178.83x = 28,730.57 × 17,089.03
  4. Step 4: Simplify right side
    19,178.83x = 490,977,428.99
  5. Step 5: Solve for x
    x = 490,977,428.99/19,178.83
  6. Step 6: Final answer
    x = 25,599.97

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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.