Home / 14,122.96-19,488.60-8,150.63

Finding the Fourth Proportional to 14,122.96, 19,488.60 and 8,150.63

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Solution

The fourth proportional to 14,122.96, 19,488.60 and 8,150.63 is: 11,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.96 : 19,488.60 = 8,150.63 : x
  2. Step 2: Convert to fraction form
    14,122.96/19,488.60 = 8,150.63/x
  3. Step 3: Cross multiply
    14,122.96x = 19,488.60 × 8,150.63
  4. Step 4: Simplify right side
    14,122.96x = 158,844,270.38
  5. Step 5: Solve for x
    x = 158,844,270.38/14,122.96
  6. Step 6: Final answer
    x = 11,247.24

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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.