Home / 13,939.58-19,236.53-7,566.29

Finding the Fourth Proportional to 13,939.58, 19,236.53 and 7,566.29

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Solution

The fourth proportional to 13,939.58, 19,236.53 and 7,566.29 is: 10,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.58 : 19,236.53 = 7,566.29 : x
  2. Step 2: Convert to fraction form
    13,939.58/19,236.53 = 7,566.29/x
  3. Step 3: Cross multiply
    13,939.58x = 19,236.53 × 7,566.29
  4. Step 4: Simplify right side
    13,939.58x = 145,549,231.58
  5. Step 5: Solve for x
    x = 145,549,231.58/13,939.58
  6. Step 6: Final answer
    x = 10,441.44

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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.