Home / 14,709.74-20,294.55-8,335.73

Finding the Fourth Proportional to 14,709.74, 20,294.55 and 8,335.73

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Solution

The fourth proportional to 14,709.74, 20,294.55 and 8,335.73 is: 11,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.74 : 20,294.55 = 8,335.73 : x
  2. Step 2: Convert to fraction form
    14,709.74/20,294.55 = 8,335.73/x
  3. Step 3: Cross multiply
    14,709.74x = 20,294.55 × 8,335.73
  4. Step 4: Simplify right side
    14,709.74x = 169,169,889.27
  5. Step 5: Solve for x
    x = 169,169,889.27/14,709.74
  6. Step 6: Final answer
    x = 11,500.54

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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.