Home / 19,647.68-27,114.12-10,695.60

Finding the Fourth Proportional to 19,647.68, 27,114.12 and 10,695.60

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Solution

The fourth proportional to 19,647.68, 27,114.12 and 10,695.60 is: 14,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.68 : 27,114.12 = 10,695.60 : x
  2. Step 2: Convert to fraction form
    19,647.68/27,114.12 = 10,695.60/x
  3. Step 3: Cross multiply
    19,647.68x = 27,114.12 × 10,695.60
  4. Step 4: Simplify right side
    19,647.68x = 290,001,781.87
  5. Step 5: Solve for x
    x = 290,001,781.87/19,647.68
  6. Step 6: Final answer
    x = 14,760.10

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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.