Home / 14,846.40-20,488.05-8,132.28

Finding the Fourth Proportional to 14,846.40, 20,488.05 and 8,132.28

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Solution

The fourth proportional to 14,846.40, 20,488.05 and 8,132.28 is: 11,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.40 : 20,488.05 = 8,132.28 : x
  2. Step 2: Convert to fraction form
    14,846.40/20,488.05 = 8,132.28/x
  3. Step 3: Cross multiply
    14,846.40x = 20,488.05 × 8,132.28
  4. Step 4: Simplify right side
    14,846.40x = 166,614,559.25
  5. Step 5: Solve for x
    x = 166,614,559.25/14,846.40
  6. Step 6: Final answer
    x = 11,222.56

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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.