Home / 19,412.28-26,788.14-11,029.24

Finding the Fourth Proportional to 19,412.28, 26,788.14 and 11,029.24

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Solution

The fourth proportional to 19,412.28, 26,788.14 and 11,029.24 is: 15,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.28 : 26,788.14 = 11,029.24 : x
  2. Step 2: Convert to fraction form
    19,412.28/26,788.14 = 11,029.24/x
  3. Step 3: Cross multiply
    19,412.28x = 26,788.14 × 11,029.24
  4. Step 4: Simplify right side
    19,412.28x = 295,452,825.21
  5. Step 5: Solve for x
    x = 295,452,825.21/19,412.28
  6. Step 6: Final answer
    x = 15,219.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.