Home / 19,400.90-29,105.40-11,074.10

Finding the Fourth Proportional to 19,400.90, 29,105.40 and 11,074.10

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Solution

The fourth proportional to 19,400.90, 29,105.40 and 11,074.10 is: 16,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.90 : 29,105.40 = 11,074.10 : x
  2. Step 2: Convert to fraction form
    19,400.90/29,105.40 = 11,074.10/x
  3. Step 3: Cross multiply
    19,400.90x = 29,105.40 × 11,074.10
  4. Step 4: Simplify right side
    19,400.90x = 322,316,110.14
  5. Step 5: Solve for x
    x = 322,316,110.14/19,400.90
  6. Step 6: Final answer
    x = 16,613.46

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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.