Home / 14,725.54-20,319.42-9,955.87

Finding the Fourth Proportional to 14,725.54, 20,319.42 and 9,955.87

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Solution

The fourth proportional to 14,725.54, 20,319.42 and 9,955.87 is: 13,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.54 : 20,319.42 = 9,955.87 : x
  2. Step 2: Convert to fraction form
    14,725.54/20,319.42 = 9,955.87/x
  3. Step 3: Cross multiply
    14,725.54x = 20,319.42 × 9,955.87
  4. Step 4: Simplify right side
    14,725.54x = 202,297,504.00
  5. Step 5: Solve for x
    x = 202,297,504.00/14,725.54
  6. Step 6: Final answer
    x = 13,737.87

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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.