Home / 19,117.35-28,676.52-9,254.79

Finding the Fourth Proportional to 19,117.35, 28,676.52 and 9,254.79

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Solution

The fourth proportional to 19,117.35, 28,676.52 and 9,254.79 is: 13,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.35 : 28,676.52 = 9,254.79 : x
  2. Step 2: Convert to fraction form
    19,117.35/28,676.52 = 9,254.79/x
  3. Step 3: Cross multiply
    19,117.35x = 28,676.52 × 9,254.79
  4. Step 4: Simplify right side
    19,117.35x = 265,395,170.53
  5. Step 5: Solve for x
    x = 265,395,170.53/19,117.35
  6. Step 6: Final answer
    x = 13,882.42

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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.