Home / 19,957.88-27,541.80-11,005.52

Finding the Fourth Proportional to 19,957.88, 27,541.80 and 11,005.52

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Solution

The fourth proportional to 19,957.88, 27,541.80 and 11,005.52 is: 15,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.88 : 27,541.80 = 11,005.52 : x
  2. Step 2: Convert to fraction form
    19,957.88/27,541.80 = 11,005.52/x
  3. Step 3: Cross multiply
    19,957.88x = 27,541.80 × 11,005.52
  4. Step 4: Simplify right side
    19,957.88x = 303,111,693.03
  5. Step 5: Solve for x
    x = 303,111,693.03/19,957.88
  6. Step 6: Final answer
    x = 15,187.57

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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.