Home / 18,377.08-25,360.34-11,206.98

Finding the Fourth Proportional to 18,377.08, 25,360.34 and 11,206.98

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Solution

The fourth proportional to 18,377.08, 25,360.34 and 11,206.98 is: 15,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.08 : 25,360.34 = 11,206.98 : x
  2. Step 2: Convert to fraction form
    18,377.08/25,360.34 = 11,206.98/x
  3. Step 3: Cross multiply
    18,377.08x = 25,360.34 × 11,206.98
  4. Step 4: Simplify right side
    18,377.08x = 284,212,823.17
  5. Step 5: Solve for x
    x = 284,212,823.17/18,377.08
  6. Step 6: Final answer
    x = 15,465.61

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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.