Home / 21,398.03-32,100.11-6,608.20

Finding the Fourth Proportional to 21,398.03, 32,100.11 and 6,608.20

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Solution

The fourth proportional to 21,398.03, 32,100.11 and 6,608.20 is: 9,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.03 : 32,100.11 = 6,608.20 : x
  2. Step 2: Convert to fraction form
    21,398.03/32,100.11 = 6,608.20/x
  3. Step 3: Cross multiply
    21,398.03x = 32,100.11 × 6,608.20
  4. Step 4: Simplify right side
    21,398.03x = 212,123,946.90
  5. Step 5: Solve for x
    x = 212,123,946.90/21,398.03
  6. Step 6: Final answer
    x = 9,913.25

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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.