Home / 20,051.00-27,670.04-11,098.31

Finding the Fourth Proportional to 20,051.00, 27,670.04 and 11,098.31

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Solution

The fourth proportional to 20,051.00, 27,670.04 and 11,098.31 is: 15,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.00 : 27,670.04 = 11,098.31 : x
  2. Step 2: Convert to fraction form
    20,051.00/27,670.04 = 11,098.31/x
  3. Step 3: Cross multiply
    20,051.00x = 27,670.04 × 11,098.31
  4. Step 4: Simplify right side
    20,051.00x = 307,090,487.79
  5. Step 5: Solve for x
    x = 307,090,487.79/20,051.00
  6. Step 6: Final answer
    x = 15,315.47

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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.