Home / 13,795.57-19,037.90-7,744.97

Finding the Fourth Proportional to 13,795.57, 19,037.90 and 7,744.97

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Solution

The fourth proportional to 13,795.57, 19,037.90 and 7,744.97 is: 10,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.57 : 19,037.90 = 7,744.97 : x
  2. Step 2: Convert to fraction form
    13,795.57/19,037.90 = 7,744.97/x
  3. Step 3: Cross multiply
    13,795.57x = 19,037.90 × 7,744.97
  4. Step 4: Simplify right side
    13,795.57x = 147,447,964.36
  5. Step 5: Solve for x
    x = 147,447,964.36/13,795.57
  6. Step 6: Final answer
    x = 10,688.07

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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.