Home / 15,829.53-21,847.66-10,171.35

Finding the Fourth Proportional to 15,829.53, 21,847.66 and 10,171.35

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Solution

The fourth proportional to 15,829.53, 21,847.66 and 10,171.35 is: 14,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.53 : 21,847.66 = 10,171.35 : x
  2. Step 2: Convert to fraction form
    15,829.53/21,847.66 = 10,171.35/x
  3. Step 3: Cross multiply
    15,829.53x = 21,847.66 × 10,171.35
  4. Step 4: Simplify right side
    15,829.53x = 222,220,196.54
  5. Step 5: Solve for x
    x = 222,220,196.54/15,829.53
  6. Step 6: Final answer
    x = 14,038.33

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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.