Home / 65,971.16-98,956.79-18,586.26

Finding the Fourth Proportional to 65,971.16, 98,956.79 and 18,586.26

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Solution

The fourth proportional to 65,971.16, 98,956.79 and 18,586.26 is: 27,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,971.16 : 98,956.79 = 18,586.26 : x
  2. Step 2: Convert to fraction form
    65,971.16/98,956.79 = 18,586.26/x
  3. Step 3: Cross multiply
    65,971.16x = 98,956.79 × 18,586.26
  4. Step 4: Simplify right side
    65,971.16x = 1,839,236,604.47
  5. Step 5: Solve for x
    x = 1,839,236,604.47/65,971.16
  6. Step 6: Final answer
    x = 27,879.40

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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.