Home / 14,913.24-20,579.48-8,197.58

Finding the Fourth Proportional to 14,913.24, 20,579.48 and 8,197.58

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Solution

The fourth proportional to 14,913.24, 20,579.48 and 8,197.58 is: 11,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.24 : 20,579.48 = 8,197.58 : x
  2. Step 2: Convert to fraction form
    14,913.24/20,579.48 = 8,197.58/x
  3. Step 3: Cross multiply
    14,913.24x = 20,579.48 × 8,197.58
  4. Step 4: Simplify right side
    14,913.24x = 168,701,789.77
  5. Step 5: Solve for x
    x = 168,701,789.77/14,913.24
  6. Step 6: Final answer
    x = 11,312.22

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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.