Home / 19,906.16-29,860.68-6,753.20

Finding the Fourth Proportional to 19,906.16, 29,860.68 and 6,753.20

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Solution

The fourth proportional to 19,906.16, 29,860.68 and 6,753.20 is: 10,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.16 : 29,860.68 = 6,753.20 : x
  2. Step 2: Convert to fraction form
    19,906.16/29,860.68 = 6,753.20/x
  3. Step 3: Cross multiply
    19,906.16x = 29,860.68 × 6,753.20
  4. Step 4: Simplify right side
    19,906.16x = 201,655,144.18
  5. Step 5: Solve for x
    x = 201,655,144.18/19,906.16
  6. Step 6: Final answer
    x = 10,130.29

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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.