Home / 21,066.48-29,071.73-11,635.04

Finding the Fourth Proportional to 21,066.48, 29,071.73 and 11,635.04

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Solution

The fourth proportional to 21,066.48, 29,071.73 and 11,635.04 is: 16,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.48 : 29,071.73 = 11,635.04 : x
  2. Step 2: Convert to fraction form
    21,066.48/29,071.73 = 11,635.04/x
  3. Step 3: Cross multiply
    21,066.48x = 29,071.73 × 11,635.04
  4. Step 4: Simplify right side
    21,066.48x = 338,250,537.89
  5. Step 5: Solve for x
    x = 338,250,537.89/21,066.48
  6. Step 6: Final answer
    x = 16,056.34

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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.