Home / 13,997.44-19,316.46-7,709.77

Finding the Fourth Proportional to 13,997.44, 19,316.46 and 7,709.77

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Solution

The fourth proportional to 13,997.44, 19,316.46 and 7,709.77 is: 10,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.44 : 19,316.46 = 7,709.77 : x
  2. Step 2: Convert to fraction form
    13,997.44/19,316.46 = 7,709.77/x
  3. Step 3: Cross multiply
    13,997.44x = 19,316.46 × 7,709.77
  4. Step 4: Simplify right side
    13,997.44x = 148,925,463.81
  5. Step 5: Solve for x
    x = 148,925,463.81/13,997.44
  6. Step 6: Final answer
    x = 10,639.48

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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.