Home / 17,972.55-26,971.07-9,213.62

Finding the Fourth Proportional to 17,972.55, 26,971.07 and 9,213.62

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Solution

The fourth proportional to 17,972.55, 26,971.07 and 9,213.62 is: 13,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.55 : 26,971.07 = 9,213.62 : x
  2. Step 2: Convert to fraction form
    17,972.55/26,971.07 = 9,213.62/x
  3. Step 3: Cross multiply
    17,972.55x = 26,971.07 × 9,213.62
  4. Step 4: Simplify right side
    17,972.55x = 248,501,009.05
  5. Step 5: Solve for x
    x = 248,501,009.05/17,972.55
  6. Step 6: Final answer
    x = 13,826.70

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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.