Home / 18,762.08-25,891.52-10,379.04

Finding the Fourth Proportional to 18,762.08, 25,891.52 and 10,379.04

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Solution

The fourth proportional to 18,762.08, 25,891.52 and 10,379.04 is: 14,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.08 : 25,891.52 = 10,379.04 : x
  2. Step 2: Convert to fraction form
    18,762.08/25,891.52 = 10,379.04/x
  3. Step 3: Cross multiply
    18,762.08x = 25,891.52 × 10,379.04
  4. Step 4: Simplify right side
    18,762.08x = 268,729,121.74
  5. Step 5: Solve for x
    x = 268,729,121.74/18,762.08
  6. Step 6: Final answer
    x = 14,322.99

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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.