Home / 19,738.42-29,613.13-10,979.48

Finding the Fourth Proportional to 19,738.42, 29,613.13 and 10,979.48

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Solution

The fourth proportional to 19,738.42, 29,613.13 and 10,979.48 is: 16,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.42 : 29,613.13 = 10,979.48 : x
  2. Step 2: Convert to fraction form
    19,738.42/29,613.13 = 10,979.48/x
  3. Step 3: Cross multiply
    19,738.42x = 29,613.13 × 10,979.48
  4. Step 4: Simplify right side
    19,738.42x = 325,136,815.16
  5. Step 5: Solve for x
    x = 325,136,815.16/19,738.42
  6. Step 6: Final answer
    x = 16,472.28

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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.