Home / 18,683.08-28,021.98-5,532.04

Finding the Fourth Proportional to 18,683.08, 28,021.98 and 5,532.04

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Solution

The fourth proportional to 18,683.08, 28,021.98 and 5,532.04 is: 8,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.08 : 28,021.98 = 5,532.04 : x
  2. Step 2: Convert to fraction form
    18,683.08/28,021.98 = 5,532.04/x
  3. Step 3: Cross multiply
    18,683.08x = 28,021.98 × 5,532.04
  4. Step 4: Simplify right side
    18,683.08x = 155,018,714.24
  5. Step 5: Solve for x
    x = 155,018,714.24/18,683.08
  6. Step 6: Final answer
    x = 8,297.28

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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.