Home / 18,271.09-25,214.25-10,205.52

Finding the Fourth Proportional to 18,271.09, 25,214.25 and 10,205.52

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Solution

The fourth proportional to 18,271.09, 25,214.25 and 10,205.52 is: 14,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.09 : 25,214.25 = 10,205.52 : x
  2. Step 2: Convert to fraction form
    18,271.09/25,214.25 = 10,205.52/x
  3. Step 3: Cross multiply
    18,271.09x = 25,214.25 × 10,205.52
  4. Step 4: Simplify right side
    18,271.09x = 257,324,532.66
  5. Step 5: Solve for x
    x = 257,324,532.66/18,271.09
  6. Step 6: Final answer
    x = 14,083.70

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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.