Home / 18,271.17-25,214.22-10,315.08

Finding the Fourth Proportional to 18,271.17, 25,214.22 and 10,315.08

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Solution

The fourth proportional to 18,271.17, 25,214.22 and 10,315.08 is: 14,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.17 : 25,214.22 = 10,315.08 : x
  2. Step 2: Convert to fraction form
    18,271.17/25,214.22 = 10,315.08/x
  3. Step 3: Cross multiply
    18,271.17x = 25,214.22 × 10,315.08
  4. Step 4: Simplify right side
    18,271.17x = 260,086,696.44
  5. Step 5: Solve for x
    x = 260,086,696.44/18,271.17
  6. Step 6: Final answer
    x = 14,234.81

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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.