Home / 16,683.60-23,019.48-11,389.44

Finding the Fourth Proportional to 16,683.60, 23,019.48 and 11,389.44

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Solution

The fourth proportional to 16,683.60, 23,019.48 and 11,389.44 is: 15,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.60 : 23,019.48 = 11,389.44 : x
  2. Step 2: Convert to fraction form
    16,683.60/23,019.48 = 11,389.44/x
  3. Step 3: Cross multiply
    16,683.60x = 23,019.48 × 11,389.44
  4. Step 4: Simplify right side
    16,683.60x = 262,178,986.29
  5. Step 5: Solve for x
    x = 262,178,986.29/16,683.60
  6. Step 6: Final answer
    x = 15,714.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.