Home / 18,248.76-25,183.66-10,289.45

Finding the Fourth Proportional to 18,248.76, 25,183.66 and 10,289.45

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Solution

The fourth proportional to 18,248.76, 25,183.66 and 10,289.45 is: 14,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.76 : 25,183.66 = 10,289.45 : x
  2. Step 2: Convert to fraction form
    18,248.76/25,183.66 = 10,289.45/x
  3. Step 3: Cross multiply
    18,248.76x = 25,183.66 × 10,289.45
  4. Step 4: Simplify right side
    18,248.76x = 259,125,858.75
  5. Step 5: Solve for x
    x = 259,125,858.75/18,248.76
  6. Step 6: Final answer
    x = 14,199.64

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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.