Home / 18,599.22-25,666.74-10,215.72

Finding the Fourth Proportional to 18,599.22, 25,666.74 and 10,215.72

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Solution

The fourth proportional to 18,599.22, 25,666.74 and 10,215.72 is: 14,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.22 : 25,666.74 = 10,215.72 : x
  2. Step 2: Convert to fraction form
    18,599.22/25,666.74 = 10,215.72/x
  3. Step 3: Cross multiply
    18,599.22x = 25,666.74 × 10,215.72
  4. Step 4: Simplify right side
    18,599.22x = 262,204,229.15
  5. Step 5: Solve for x
    x = 262,204,229.15/18,599.22
  6. Step 6: Final answer
    x = 14,097.59

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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.