Home / 19,455.51-26,848.71-11,072.01

Finding the Fourth Proportional to 19,455.51, 26,848.71 and 11,072.01

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Solution

The fourth proportional to 19,455.51, 26,848.71 and 11,072.01 is: 15,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.51 : 26,848.71 = 11,072.01 : x
  2. Step 2: Convert to fraction form
    19,455.51/26,848.71 = 11,072.01/x
  3. Step 3: Cross multiply
    19,455.51x = 26,848.71 × 11,072.01
  4. Step 4: Simplify right side
    19,455.51x = 297,268,996.00
  5. Step 5: Solve for x
    x = 297,268,996.00/19,455.51
  6. Step 6: Final answer
    x = 15,279.43

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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.