Home / 14,187.86-19,596.44-10,405.57

Finding the Fourth Proportional to 14,187.86, 19,596.44 and 10,405.57

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Solution

The fourth proportional to 14,187.86, 19,596.44 and 10,405.57 is: 14,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.86 : 19,596.44 = 10,405.57 : x
  2. Step 2: Convert to fraction form
    14,187.86/19,596.44 = 10,405.57/x
  3. Step 3: Cross multiply
    14,187.86x = 19,596.44 × 10,405.57
  4. Step 4: Simplify right side
    14,187.86x = 203,912,128.17
  5. Step 5: Solve for x
    x = 203,912,128.17/14,187.86
  6. Step 6: Final answer
    x = 14,372.30

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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.