Home / 18,277.48-25,221.54-10,318.60

Finding the Fourth Proportional to 18,277.48, 25,221.54 and 10,318.60

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Solution

The fourth proportional to 18,277.48, 25,221.54 and 10,318.60 is: 14,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.48 : 25,221.54 = 10,318.60 : x
  2. Step 2: Convert to fraction form
    18,277.48/25,221.54 = 10,318.60/x
  3. Step 3: Cross multiply
    18,277.48x = 25,221.54 × 10,318.60
  4. Step 4: Simplify right side
    18,277.48x = 260,250,982.64
  5. Step 5: Solve for x
    x = 260,250,982.64/18,277.48
  6. Step 6: Final answer
    x = 14,238.89

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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.