Home / 18,287.10-25,234.83-10,329.30

Finding the Fourth Proportional to 18,287.10, 25,234.83 and 10,329.30

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Solution

The fourth proportional to 18,287.10, 25,234.83 and 10,329.30 is: 14,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.10 : 25,234.83 = 10,329.30 : x
  2. Step 2: Convert to fraction form
    18,287.10/25,234.83 = 10,329.30/x
  3. Step 3: Cross multiply
    18,287.10x = 25,234.83 × 10,329.30
  4. Step 4: Simplify right side
    18,287.10x = 260,658,129.52
  5. Step 5: Solve for x
    x = 260,658,129.52/18,287.10
  6. Step 6: Final answer
    x = 14,253.66

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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.