Home / 18,683.49-28,026.83-5,356.53

Finding the Fourth Proportional to 18,683.49, 28,026.83 and 5,356.53

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Solution

The fourth proportional to 18,683.49, 28,026.83 and 5,356.53 is: 8,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.49 : 28,026.83 = 5,356.53 : x
  2. Step 2: Convert to fraction form
    18,683.49/28,026.83 = 5,356.53/x
  3. Step 3: Cross multiply
    18,683.49x = 28,026.83 × 5,356.53
  4. Step 4: Simplify right side
    18,683.49x = 150,126,555.70
  5. Step 5: Solve for x
    x = 150,126,555.70/18,683.49
  6. Step 6: Final answer
    x = 8,035.25

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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.