Home / 13,725.30-20,587.41-9,553.26

Finding the Fourth Proportional to 13,725.30, 20,587.41 and 9,553.26

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Solution

The fourth proportional to 13,725.30, 20,587.41 and 9,553.26 is: 14,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.30 : 20,587.41 = 9,553.26 : x
  2. Step 2: Convert to fraction form
    13,725.30/20,587.41 = 9,553.26/x
  3. Step 3: Cross multiply
    13,725.30x = 20,587.41 × 9,553.26
  4. Step 4: Simplify right side
    13,725.30x = 196,676,880.46
  5. Step 5: Solve for x
    x = 196,676,880.46/13,725.30
  6. Step 6: Final answer
    x = 14,329.51

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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.