Home / 13,725.09-20,548.71-9,030.96

Finding the Fourth Proportional to 13,725.09, 20,548.71 and 9,030.96

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Solution

The fourth proportional to 13,725.09, 20,548.71 and 9,030.96 is: 13,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.09 : 20,548.71 = 9,030.96 : x
  2. Step 2: Convert to fraction form
    13,725.09/20,548.71 = 9,030.96/x
  3. Step 3: Cross multiply
    13,725.09x = 20,548.71 × 9,030.96
  4. Step 4: Simplify right side
    13,725.09x = 185,574,532.91
  5. Step 5: Solve for x
    x = 185,574,532.91/13,725.09
  6. Step 6: Final answer
    x = 13,520.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.