Home / 13,395.85-18,464.96-10,558.62

Finding the Fourth Proportional to 13,395.85, 18,464.96 and 10,558.62

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Solution

The fourth proportional to 13,395.85, 18,464.96 and 10,558.62 is: 14,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.85 : 18,464.96 = 10,558.62 : x
  2. Step 2: Convert to fraction form
    13,395.85/18,464.96 = 10,558.62/x
  3. Step 3: Cross multiply
    13,395.85x = 18,464.96 × 10,558.62
  4. Step 4: Simplify right side
    13,395.85x = 194,964,522.35
  5. Step 5: Solve for x
    x = 194,964,522.35/13,395.85
  6. Step 6: Final answer
    x = 14,554.10

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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.