Home / 18,774.15-25,907.94-10,276.07

Finding the Fourth Proportional to 18,774.15, 25,907.94 and 10,276.07

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Solution

The fourth proportional to 18,774.15, 25,907.94 and 10,276.07 is: 14,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.15 : 25,907.94 = 10,276.07 : x
  2. Step 2: Convert to fraction form
    18,774.15/25,907.94 = 10,276.07/x
  3. Step 3: Cross multiply
    18,774.15x = 25,907.94 × 10,276.07
  4. Step 4: Simplify right side
    18,774.15x = 266,231,675.46
  5. Step 5: Solve for x
    x = 266,231,675.46/18,774.15
  6. Step 6: Final answer
    x = 14,180.76

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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.