Home / 19,140.94-28,766.67-17,812.12

Finding the Fourth Proportional to 19,140.94, 28,766.67 and 17,812.12

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Solution

The fourth proportional to 19,140.94, 28,766.67 and 17,812.12 is: 26,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.94 : 28,766.67 = 17,812.12 : x
  2. Step 2: Convert to fraction form
    19,140.94/28,766.67 = 17,812.12/x
  3. Step 3: Cross multiply
    19,140.94x = 28,766.67 × 17,812.12
  4. Step 4: Simplify right side
    19,140.94x = 512,395,378.04
  5. Step 5: Solve for x
    x = 512,395,378.04/19,140.94
  6. Step 6: Final answer
    x = 26,769.60

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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.