Home / 14,110.09-19,475.40-8,145.31

Finding the Fourth Proportional to 14,110.09, 19,475.40 and 8,145.31

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Solution

The fourth proportional to 14,110.09, 19,475.40 and 8,145.31 is: 11,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.09 : 19,475.40 = 8,145.31 : x
  2. Step 2: Convert to fraction form
    14,110.09/19,475.40 = 8,145.31/x
  3. Step 3: Cross multiply
    14,110.09x = 19,475.40 × 8,145.31
  4. Step 4: Simplify right side
    14,110.09x = 158,633,170.37
  5. Step 5: Solve for x
    x = 158,633,170.37/14,110.09
  6. Step 6: Final answer
    x = 11,242.53

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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.