Home / 21,735.84-32,608.40-6,742.63

Finding the Fourth Proportional to 21,735.84, 32,608.40 and 6,742.63

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Solution

The fourth proportional to 21,735.84, 32,608.40 and 6,742.63 is: 10,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.84 : 32,608.40 = 6,742.63 : x
  2. Step 2: Convert to fraction form
    21,735.84/32,608.40 = 6,742.63/x
  3. Step 3: Cross multiply
    21,735.84x = 32,608.40 × 6,742.63
  4. Step 4: Simplify right side
    21,735.84x = 219,866,354.01
  5. Step 5: Solve for x
    x = 219,866,354.01/21,735.84
  6. Step 6: Final answer
    x = 10,115.39

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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.