Home / 23,888.35-32,965.73-12,986.42

Finding the Fourth Proportional to 23,888.35, 32,965.73 and 12,986.42

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Solution

The fourth proportional to 23,888.35, 32,965.73 and 12,986.42 is: 17,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,888.35 : 32,965.73 = 12,986.42 : x
  2. Step 2: Convert to fraction form
    23,888.35/32,965.73 = 12,986.42/x
  3. Step 3: Cross multiply
    23,888.35x = 32,965.73 × 12,986.42
  4. Step 4: Simplify right side
    23,888.35x = 428,106,585.63
  5. Step 5: Solve for x
    x = 428,106,585.63/23,888.35
  6. Step 6: Final answer
    x = 17,921.15

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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.