Home / 21,886.26-32,839.65-10,786.89

Finding the Fourth Proportional to 21,886.26, 32,839.65 and 10,786.89

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Solution

The fourth proportional to 21,886.26, 32,839.65 and 10,786.89 is: 16,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.26 : 32,839.65 = 10,786.89 : x
  2. Step 2: Convert to fraction form
    21,886.26/32,839.65 = 10,786.89/x
  3. Step 3: Cross multiply
    21,886.26x = 32,839.65 × 10,786.89
  4. Step 4: Simplify right side
    21,886.26x = 354,237,774.89
  5. Step 5: Solve for x
    x = 354,237,774.89/21,886.26
  6. Step 6: Final answer
    x = 16,185.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.