Home / 17,979.03-26,973.81-9,220.05

Finding the Fourth Proportional to 17,979.03, 26,973.81 and 9,220.05

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Solution

The fourth proportional to 17,979.03, 26,973.81 and 9,220.05 is: 13,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.03 : 26,973.81 = 9,220.05 : x
  2. Step 2: Convert to fraction form
    17,979.03/26,973.81 = 9,220.05/x
  3. Step 3: Cross multiply
    17,979.03x = 26,973.81 × 9,220.05
  4. Step 4: Simplify right side
    17,979.03x = 248,699,876.89
  5. Step 5: Solve for x
    x = 248,699,876.89/17,979.03
  6. Step 6: Final answer
    x = 13,832.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.