Home / 14,846.90-20,488.73-8,132.64

Finding the Fourth Proportional to 14,846.90, 20,488.73 and 8,132.64

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Solution

The fourth proportional to 14,846.90, 20,488.73 and 8,132.64 is: 11,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.90 : 20,488.73 = 8,132.64 : x
  2. Step 2: Convert to fraction form
    14,846.90/20,488.73 = 8,132.64/x
  3. Step 3: Cross multiply
    14,846.90x = 20,488.73 × 8,132.64
  4. Step 4: Simplify right side
    14,846.90x = 166,627,465.15
  5. Step 5: Solve for x
    x = 166,627,465.15/14,846.90
  6. Step 6: Final answer
    x = 11,223.05

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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.