Home / 13,584.50-18,740.67-9,609.02

Finding the Fourth Proportional to 13,584.50, 18,740.67 and 9,609.02

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Solution

The fourth proportional to 13,584.50, 18,740.67 and 9,609.02 is: 13,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.50 : 18,740.67 = 9,609.02 : x
  2. Step 2: Convert to fraction form
    13,584.50/18,740.67 = 9,609.02/x
  3. Step 3: Cross multiply
    13,584.50x = 18,740.67 × 9,609.02
  4. Step 4: Simplify right side
    13,584.50x = 180,079,472.84
  5. Step 5: Solve for x
    x = 180,079,472.84/13,584.50
  6. Step 6: Final answer
    x = 13,256.25

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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.