Home / 13,395.28-18,464.13-10,558.25

Finding the Fourth Proportional to 13,395.28, 18,464.13 and 10,558.25

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Solution

The fourth proportional to 13,395.28, 18,464.13 and 10,558.25 is: 14,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.28 : 18,464.13 = 10,558.25 : x
  2. Step 2: Convert to fraction form
    13,395.28/18,464.13 = 10,558.25/x
  3. Step 3: Cross multiply
    13,395.28x = 18,464.13 × 10,558.25
  4. Step 4: Simplify right side
    13,395.28x = 194,948,900.57
  5. Step 5: Solve for x
    x = 194,948,900.57/13,395.28
  6. Step 6: Final answer
    x = 14,553.56

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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.