Home / 65,632.77-98,449.16-18,885.65

Finding the Fourth Proportional to 65,632.77, 98,449.16 and 18,885.65

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Solution

The fourth proportional to 65,632.77, 98,449.16 and 18,885.65 is: 28,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632.77 : 98,449.16 = 18,885.65 : x
  2. Step 2: Convert to fraction form
    65,632.77/98,449.16 = 18,885.65/x
  3. Step 3: Cross multiply
    65,632.77x = 98,449.16 × 18,885.65
  4. Step 4: Simplify right side
    65,632.77x = 1,859,275,791.88
  5. Step 5: Solve for x
    x = 1,859,275,791.88/65,632.77
  6. Step 6: Final answer
    x = 28,328.47

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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.