Home / 14,606.06-20,156.76-8,940.69

Finding the Fourth Proportional to 14,606.06, 20,156.76 and 8,940.69

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Solution

The fourth proportional to 14,606.06, 20,156.76 and 8,940.69 is: 12,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.06 : 20,156.76 = 8,940.69 : x
  2. Step 2: Convert to fraction form
    14,606.06/20,156.76 = 8,940.69/x
  3. Step 3: Cross multiply
    14,606.06x = 20,156.76 × 8,940.69
  4. Step 4: Simplify right side
    14,606.06x = 180,215,342.56
  5. Step 5: Solve for x
    x = 180,215,342.56/14,606.06
  6. Step 6: Final answer
    x = 12,338.40

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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.