Home / 13,441.14-18,501.03-9,849.78

Finding the Fourth Proportional to 13,441.14, 18,501.03 and 9,849.78

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Solution

The fourth proportional to 13,441.14, 18,501.03 and 9,849.78 is: 13,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.14 : 18,501.03 = 9,849.78 : x
  2. Step 2: Convert to fraction form
    13,441.14/18,501.03 = 9,849.78/x
  3. Step 3: Cross multiply
    13,441.14x = 18,501.03 × 9,849.78
  4. Step 4: Simplify right side
    13,441.14x = 182,231,075.27
  5. Step 5: Solve for x
    x = 182,231,075.27/13,441.14
  6. Step 6: Final answer
    x = 13,557.71

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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.