Home / 19,676.40-29,514.60-4,885.56

Finding the Fourth Proportional to 19,676.40, 29,514.60 and 4,885.56

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Solution

The fourth proportional to 19,676.40, 29,514.60 and 4,885.56 is: 7,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.40 : 29,514.60 = 4,885.56 : x
  2. Step 2: Convert to fraction form
    19,676.40/29,514.60 = 4,885.56/x
  3. Step 3: Cross multiply
    19,676.40x = 29,514.60 × 4,885.56
  4. Step 4: Simplify right side
    19,676.40x = 144,195,349.18
  5. Step 5: Solve for x
    x = 144,195,349.18/19,676.40
  6. Step 6: Final answer
    x = 7,328.34

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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.