Home / 18,950.68-28,426.74-5,100.04

Finding the Fourth Proportional to 18,950.68, 28,426.74 and 5,100.04

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Solution

The fourth proportional to 18,950.68, 28,426.74 and 5,100.04 is: 7,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.68 : 28,426.74 = 5,100.04 : x
  2. Step 2: Convert to fraction form
    18,950.68/28,426.74 = 5,100.04/x
  3. Step 3: Cross multiply
    18,950.68x = 28,426.74 × 5,100.04
  4. Step 4: Simplify right side
    18,950.68x = 144,977,511.07
  5. Step 5: Solve for x
    x = 144,977,511.07/18,950.68
  6. Step 6: Final answer
    x = 7,650.25

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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.