Home / 14,107.58-21,161.50-5,784.35

Finding the Fourth Proportional to 14,107.58, 21,161.50 and 5,784.35

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Solution

The fourth proportional to 14,107.58, 21,161.50 and 5,784.35 is: 8,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.58 : 21,161.50 = 5,784.35 : x
  2. Step 2: Convert to fraction form
    14,107.58/21,161.50 = 5,784.35/x
  3. Step 3: Cross multiply
    14,107.58x = 21,161.50 × 5,784.35
  4. Step 4: Simplify right side
    14,107.58x = 122,405,434.79
  5. Step 5: Solve for x
    x = 122,405,434.79/14,107.58
  6. Step 6: Final answer
    x = 8,676.57

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Double scale
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Similar ratio
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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.