Home / 13,595.75-18,768.00-12,744.64

Finding the Fourth Proportional to 13,595.75, 18,768.00 and 12,744.64

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Solution

The fourth proportional to 13,595.75, 18,768.00 and 12,744.64 is: 17,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.75 : 18,768.00 = 12,744.64 : x
  2. Step 2: Convert to fraction form
    13,595.75/18,768.00 = 12,744.64/x
  3. Step 3: Cross multiply
    13,595.75x = 18,768.00 × 12,744.64
  4. Step 4: Simplify right side
    13,595.75x = 239,191,474.77
  5. Step 5: Solve for x
    x = 239,191,474.77/13,595.75
  6. Step 6: Final answer
    x = 17,593.11

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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.