Home / 18,373.91-25,345.71-11,298.96

Finding the Fourth Proportional to 18,373.91, 25,345.71 and 11,298.96

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Solution

The fourth proportional to 18,373.91, 25,345.71 and 11,298.96 is: 15,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.91 : 25,345.71 = 11,298.96 : x
  2. Step 2: Convert to fraction form
    18,373.91/25,345.71 = 11,298.96/x
  3. Step 3: Cross multiply
    18,373.91x = 25,345.71 × 11,298.96
  4. Step 4: Simplify right side
    18,373.91x = 286,380,163.46
  5. Step 5: Solve for x
    x = 286,380,163.46/18,373.91
  6. Step 6: Final answer
    x = 15,586.24

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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.