Home / 18,382.08-25,373.04-10,827.90

Finding the Fourth Proportional to 18,382.08, 25,373.04 and 10,827.90

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Solution

The fourth proportional to 18,382.08, 25,373.04 and 10,827.90 is: 14,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.08 : 25,373.04 = 10,827.90 : x
  2. Step 2: Convert to fraction form
    18,382.08/25,373.04 = 10,827.90/x
  3. Step 3: Cross multiply
    18,382.08x = 25,373.04 × 10,827.90
  4. Step 4: Simplify right side
    18,382.08x = 274,736,739.82
  5. Step 5: Solve for x
    x = 274,736,739.82/18,382.08
  6. Step 6: Final answer
    x = 14,945.90

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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.