Home / 19,613.80-29,403.42-9,238.12

Finding the Fourth Proportional to 19,613.80, 29,403.42 and 9,238.12

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Solution

The fourth proportional to 19,613.80, 29,403.42 and 9,238.12 is: 13,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.80 : 29,403.42 = 9,238.12 : x
  2. Step 2: Convert to fraction form
    19,613.80/29,403.42 = 9,238.12/x
  3. Step 3: Cross multiply
    19,613.80x = 29,403.42 × 9,238.12
  4. Step 4: Simplify right side
    19,613.80x = 271,632,322.37
  5. Step 5: Solve for x
    x = 271,632,322.37/19,613.80
  6. Step 6: Final answer
    x = 13,849.04

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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.