Home / 18,731.76-25,849.52-10,233.60

Finding the Fourth Proportional to 18,731.76, 25,849.52 and 10,233.60

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Solution

The fourth proportional to 18,731.76, 25,849.52 and 10,233.60 is: 14,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.76 : 25,849.52 = 10,233.60 : x
  2. Step 2: Convert to fraction form
    18,731.76/25,849.52 = 10,233.60/x
  3. Step 3: Cross multiply
    18,731.76x = 25,849.52 × 10,233.60
  4. Step 4: Simplify right side
    18,731.76x = 264,533,647.87
  5. Step 5: Solve for x
    x = 264,533,647.87/18,731.76
  6. Step 6: Final answer
    x = 14,122.20

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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.