Home / 14,115.01-19,475.60-8,145.41

Finding the Fourth Proportional to 14,115.01, 19,475.60 and 8,145.41

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Solution

The fourth proportional to 14,115.01, 19,475.60 and 8,145.41 is: 11,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.01 : 19,475.60 = 8,145.41 : x
  2. Step 2: Convert to fraction form
    14,115.01/19,475.60 = 8,145.41/x
  3. Step 3: Cross multiply
    14,115.01x = 19,475.60 × 8,145.41
  4. Step 4: Simplify right side
    14,115.01x = 158,636,608.89
  5. Step 5: Solve for x
    x = 158,636,608.89/14,115.01
  6. Step 6: Final answer
    x = 11,238.86

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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.