Home / 21,066.02-29,070.92-11,634.38

Finding the Fourth Proportional to 21,066.02, 29,070.92 and 11,634.38

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Solution

The fourth proportional to 21,066.02, 29,070.92 and 11,634.38 is: 16,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.02 : 29,070.92 = 11,634.38 : x
  2. Step 2: Convert to fraction form
    21,066.02/29,070.92 = 11,634.38/x
  3. Step 3: Cross multiply
    21,066.02x = 29,070.92 × 11,634.38
  4. Step 4: Simplify right side
    21,066.02x = 338,222,013.96
  5. Step 5: Solve for x
    x = 338,222,013.96/21,066.02
  6. Step 6: Final answer
    x = 16,055.34

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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.