Home / 13,527.43-18,667.74-7,559.03

Finding the Fourth Proportional to 13,527.43, 18,667.74 and 7,559.03

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Solution

The fourth proportional to 13,527.43, 18,667.74 and 7,559.03 is: 10,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.43 : 18,667.74 = 7,559.03 : x
  2. Step 2: Convert to fraction form
    13,527.43/18,667.74 = 7,559.03/x
  3. Step 3: Cross multiply
    13,527.43x = 18,667.74 × 7,559.03
  4. Step 4: Simplify right side
    13,527.43x = 141,110,006.69
  5. Step 5: Solve for x
    x = 141,110,006.69/13,527.43
  6. Step 6: Final answer
    x = 10,431.40

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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.