Home / 23,975.15-33,085.88-13,220.43

Finding the Fourth Proportional to 23,975.15, 33,085.88 and 13,220.43

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Solution

The fourth proportional to 23,975.15, 33,085.88 and 13,220.43 is: 18,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,975.15 : 33,085.88 = 13,220.43 : x
  2. Step 2: Convert to fraction form
    23,975.15/33,085.88 = 13,220.43/x
  3. Step 3: Cross multiply
    23,975.15x = 33,085.88 × 13,220.43
  4. Step 4: Simplify right side
    23,975.15x = 437,409,560.53
  5. Step 5: Solve for x
    x = 437,409,560.53/23,975.15
  6. Step 6: Final answer
    x = 18,244.29

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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.