Home / 23,821.80-32,871.93-13,211.40

Finding the Fourth Proportional to 23,821.80, 32,871.93 and 13,211.40

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Solution

The fourth proportional to 23,821.80, 32,871.93 and 13,211.40 is: 18,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.80 : 32,871.93 = 13,211.40 : x
  2. Step 2: Convert to fraction form
    23,821.80/32,871.93 = 13,211.40/x
  3. Step 3: Cross multiply
    23,821.80x = 32,871.93 × 13,211.40
  4. Step 4: Simplify right side
    23,821.80x = 434,284,216.00
  5. Step 5: Solve for x
    x = 434,284,216.00/23,821.80
  6. Step 6: Final answer
    x = 18,230.54

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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.