Home / 13,563.88-20,343.08-9,441.38

Finding the Fourth Proportional to 13,563.88, 20,343.08 and 9,441.38

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Solution

The fourth proportional to 13,563.88, 20,343.08 and 9,441.38 is: 14,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.88 : 20,343.08 = 9,441.38 : x
  2. Step 2: Convert to fraction form
    13,563.88/20,343.08 = 9,441.38/x
  3. Step 3: Cross multiply
    13,563.88x = 20,343.08 × 9,441.38
  4. Step 4: Simplify right side
    13,563.88x = 192,066,823.11
  5. Step 5: Solve for x
    x = 192,066,823.11/13,563.88
  6. Step 6: Final answer
    x = 14,160.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.