Home / 14,846.81-20,488.97-8,132.72

Finding the Fourth Proportional to 14,846.81, 20,488.97 and 8,132.72

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Solution

The fourth proportional to 14,846.81, 20,488.97 and 8,132.72 is: 11,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.81 : 20,488.97 = 8,132.72 : x
  2. Step 2: Convert to fraction form
    14,846.81/20,488.97 = 8,132.72/x
  3. Step 3: Cross multiply
    14,846.81x = 20,488.97 × 8,132.72
  4. Step 4: Simplify right side
    14,846.81x = 166,631,056.10
  5. Step 5: Solve for x
    x = 166,631,056.10/14,846.81
  6. Step 6: Final answer
    x = 11,223.36

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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.