Home / 18,007.24-24,855.30-10,455.40

Finding the Fourth Proportional to 18,007.24, 24,855.30 and 10,455.40

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Solution

The fourth proportional to 18,007.24, 24,855.30 and 10,455.40 is: 14,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.24 : 24,855.30 = 10,455.40 : x
  2. Step 2: Convert to fraction form
    18,007.24/24,855.30 = 10,455.40/x
  3. Step 3: Cross multiply
    18,007.24x = 24,855.30 × 10,455.40
  4. Step 4: Simplify right side
    18,007.24x = 259,872,103.62
  5. Step 5: Solve for x
    x = 259,872,103.62/18,007.24
  6. Step 6: Final answer
    x = 14,431.53

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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.