Home / 18,284.10-25,229.55-10,216.89

Finding the Fourth Proportional to 18,284.10, 25,229.55 and 10,216.89

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Solution

The fourth proportional to 18,284.10, 25,229.55 and 10,216.89 is: 14,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.10 : 25,229.55 = 10,216.89 : x
  2. Step 2: Convert to fraction form
    18,284.10/25,229.55 = 10,216.89/x
  3. Step 3: Cross multiply
    18,284.10x = 25,229.55 × 10,216.89
  4. Step 4: Simplify right side
    18,284.10x = 257,767,537.10
  5. Step 5: Solve for x
    x = 257,767,537.10/18,284.10
  6. Step 6: Final answer
    x = 14,097.91

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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.