Home / 14,385.06-19,808.46-14,057.56

Finding the Fourth Proportional to 14,385.06, 19,808.46 and 14,057.56

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Solution

The fourth proportional to 14,385.06, 19,808.46 and 14,057.56 is: 19,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.06 : 19,808.46 = 14,057.56 : x
  2. Step 2: Convert to fraction form
    14,385.06/19,808.46 = 14,057.56/x
  3. Step 3: Cross multiply
    14,385.06x = 19,808.46 × 14,057.56
  4. Step 4: Simplify right side
    14,385.06x = 278,458,614.96
  5. Step 5: Solve for x
    x = 278,458,614.96/14,385.06
  6. Step 6: Final answer
    x = 19,357.49

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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.