Home / 18,027.12-24,878.43-10,072.38

Finding the Fourth Proportional to 18,027.12, 24,878.43 and 10,072.38

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Solution

The fourth proportional to 18,027.12, 24,878.43 and 10,072.38 is: 13,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.12 : 24,878.43 = 10,072.38 : x
  2. Step 2: Convert to fraction form
    18,027.12/24,878.43 = 10,072.38/x
  3. Step 3: Cross multiply
    18,027.12x = 24,878.43 × 10,072.38
  4. Step 4: Simplify right side
    18,027.12x = 250,585,000.76
  5. Step 5: Solve for x
    x = 250,585,000.76/18,027.12
  6. Step 6: Final answer
    x = 13,900.45

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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.