Home / 13,740.84-18,962.46-7,453.26

Finding the Fourth Proportional to 13,740.84, 18,962.46 and 7,453.26

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Solution

The fourth proportional to 13,740.84, 18,962.46 and 7,453.26 is: 10,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.84 : 18,962.46 = 7,453.26 : x
  2. Step 2: Convert to fraction form
    13,740.84/18,962.46 = 7,453.26/x
  3. Step 3: Cross multiply
    13,740.84x = 18,962.46 × 7,453.26
  4. Step 4: Simplify right side
    13,740.84x = 141,332,144.62
  5. Step 5: Solve for x
    x = 141,332,144.62/13,740.84
  6. Step 6: Final answer
    x = 10,285.55

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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.