Home / 13,527.27-18,667.56-7,558.92

Finding the Fourth Proportional to 13,527.27, 18,667.56 and 7,558.92

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Solution

The fourth proportional to 13,527.27, 18,667.56 and 7,558.92 is: 10,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.27 : 18,667.56 = 7,558.92 : x
  2. Step 2: Convert to fraction form
    13,527.27/18,667.56 = 7,558.92/x
  3. Step 3: Cross multiply
    13,527.27x = 18,667.56 × 7,558.92
  4. Step 4: Simplify right side
    13,527.27x = 141,106,592.64
  5. Step 5: Solve for x
    x = 141,106,592.64/13,527.27
  6. Step 6: Final answer
    x = 10,431.27

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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.