Home / 14,003.56-19,323.96-7,715.92

Finding the Fourth Proportional to 14,003.56, 19,323.96 and 7,715.92

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Solution

The fourth proportional to 14,003.56, 19,323.96 and 7,715.92 is: 10,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.56 : 19,323.96 = 7,715.92 : x
  2. Step 2: Convert to fraction form
    14,003.56/19,323.96 = 7,715.92/x
  3. Step 3: Cross multiply
    14,003.56x = 19,323.96 × 7,715.92
  4. Step 4: Simplify right side
    14,003.56x = 149,102,129.44
  5. Step 5: Solve for x
    x = 149,102,129.44/14,003.56
  6. Step 6: Final answer
    x = 10,647.44

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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.