Home / 18,683.03-28,030.70-7,586.74

Finding the Fourth Proportional to 18,683.03, 28,030.70 and 7,586.74

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Solution

The fourth proportional to 18,683.03, 28,030.70 and 7,586.74 is: 11,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.03 : 28,030.70 = 7,586.74 : x
  2. Step 2: Convert to fraction form
    18,683.03/28,030.70 = 7,586.74/x
  3. Step 3: Cross multiply
    18,683.03x = 28,030.70 × 7,586.74
  4. Step 4: Simplify right side
    18,683.03x = 212,661,632.92
  5. Step 5: Solve for x
    x = 212,661,632.92/18,683.03
  6. Step 6: Final answer
    x = 11,382.61

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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.