Home / 65,707.60-98,550.61-18,325.91

Finding the Fourth Proportional to 65,707.60, 98,550.61 and 18,325.91

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Solution

The fourth proportional to 65,707.60, 98,550.61 and 18,325.91 is: 27,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,707.60 : 98,550.61 = 18,325.91 : x
  2. Step 2: Convert to fraction form
    65,707.60/98,550.61 = 18,325.91/x
  3. Step 3: Cross multiply
    65,707.60x = 98,550.61 × 18,325.91
  4. Step 4: Simplify right side
    65,707.60x = 1,806,029,609.31
  5. Step 5: Solve for x
    x = 1,806,029,609.31/65,707.60
  6. Step 6: Final answer
    x = 27,485.86

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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.