Home / 13,527.75-18,667.94-7,559.46

Finding the Fourth Proportional to 13,527.75, 18,667.94 and 7,559.46

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Solution

The fourth proportional to 13,527.75, 18,667.94 and 7,559.46 is: 10,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.75 : 18,667.94 = 7,559.46 : x
  2. Step 2: Convert to fraction form
    13,527.75/18,667.94 = 7,559.46/x
  3. Step 3: Cross multiply
    13,527.75x = 18,667.94 × 7,559.46
  4. Step 4: Simplify right side
    13,527.75x = 141,119,414.58
  5. Step 5: Solve for x
    x = 141,119,414.58/13,527.75
  6. Step 6: Final answer
    x = 10,431.85

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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.