Home / 19,957.54-27,541.38-11,005.06

Finding the Fourth Proportional to 19,957.54, 27,541.38 and 11,005.06

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Solution

The fourth proportional to 19,957.54, 27,541.38 and 11,005.06 is: 15,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.54 : 27,541.38 = 11,005.06 : x
  2. Step 2: Convert to fraction form
    19,957.54/27,541.38 = 11,005.06/x
  3. Step 3: Cross multiply
    19,957.54x = 27,541.38 × 11,005.06
  4. Step 4: Simplify right side
    19,957.54x = 303,094,539.38
  5. Step 5: Solve for x
    x = 303,094,539.38/19,957.54
  6. Step 6: Final answer
    x = 15,186.97

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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.