Home / 19,848.51-27,389.54-11,351.00

Finding the Fourth Proportional to 19,848.51, 27,389.54 and 11,351.00

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Solution

The fourth proportional to 19,848.51, 27,389.54 and 11,351.00 is: 15,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.51 : 27,389.54 = 11,351.00 : x
  2. Step 2: Convert to fraction form
    19,848.51/27,389.54 = 11,351.00/x
  3. Step 3: Cross multiply
    19,848.51x = 27,389.54 × 11,351.00
  4. Step 4: Simplify right side
    19,848.51x = 310,898,765.39
  5. Step 5: Solve for x
    x = 310,898,765.39/19,848.51
  6. Step 6: Final answer
    x = 15,663.58

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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.