Home / 21,066.01-29,071.14-11,634.58

Finding the Fourth Proportional to 21,066.01, 29,071.14 and 11,634.58

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Solution

The fourth proportional to 21,066.01, 29,071.14 and 11,634.58 is: 16,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.01 : 29,071.14 = 11,634.58 : x
  2. Step 2: Convert to fraction form
    21,066.01/29,071.14 = 11,634.58/x
  3. Step 3: Cross multiply
    21,066.01x = 29,071.14 × 11,634.58
  4. Step 4: Simplify right side
    21,066.01x = 338,230,504.02
  5. Step 5: Solve for x
    x = 338,230,504.02/21,066.01
  6. Step 6: Final answer
    x = 16,055.75

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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.