Home / 23,986.80-33,101.06-13,378.23

Finding the Fourth Proportional to 23,986.80, 33,101.06 and 13,378.23

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Solution

The fourth proportional to 23,986.80, 33,101.06 and 13,378.23 is: 18,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.80 : 33,101.06 = 13,378.23 : x
  2. Step 2: Convert to fraction form
    23,986.80/33,101.06 = 13,378.23/x
  3. Step 3: Cross multiply
    23,986.80x = 33,101.06 × 13,378.23
  4. Step 4: Simplify right side
    23,986.80x = 442,833,527.03
  5. Step 5: Solve for x
    x = 442,833,527.03/23,986.80
  6. Step 6: Final answer
    x = 18,461.55

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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.