Home / 18,795.14-25,901.58-13,480.76

Finding the Fourth Proportional to 18,795.14, 25,901.58 and 13,480.76

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Solution

The fourth proportional to 18,795.14, 25,901.58 and 13,480.76 is: 18,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.14 : 25,901.58 = 13,480.76 : x
  2. Step 2: Convert to fraction form
    18,795.14/25,901.58 = 13,480.76/x
  3. Step 3: Cross multiply
    18,795.14x = 25,901.58 × 13,480.76
  4. Step 4: Simplify right side
    18,795.14x = 349,172,983.60
  5. Step 5: Solve for x
    x = 349,172,983.60/18,795.14
  6. Step 6: Final answer
    x = 18,577.83

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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.