Home / 20,772.96-28,683.01-16,726.94

Finding the Fourth Proportional to 20,772.96, 28,683.01 and 16,726.94

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Solution

The fourth proportional to 20,772.96, 28,683.01 and 16,726.94 is: 23,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772.96 : 28,683.01 = 16,726.94 : x
  2. Step 2: Convert to fraction form
    20,772.96/28,683.01 = 16,726.94/x
  3. Step 3: Cross multiply
    20,772.96x = 28,683.01 × 16,726.94
  4. Step 4: Simplify right side
    20,772.96x = 479,778,987.29
  5. Step 5: Solve for x
    x = 479,778,987.29/20,772.96
  6. Step 6: Final answer
    x = 23,096.32

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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.