Home / 25,533.14-35,253.09-18,819.54

Finding the Fourth Proportional to 25,533.14, 35,253.09 and 18,819.54

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Solution

The fourth proportional to 25,533.14, 35,253.09 and 18,819.54 is: 25,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.14 : 35,253.09 = 18,819.54 : x
  2. Step 2: Convert to fraction form
    25,533.14/35,253.09 = 18,819.54/x
  3. Step 3: Cross multiply
    25,533.14x = 35,253.09 × 18,819.54
  4. Step 4: Simplify right side
    25,533.14x = 663,446,937.38
  5. Step 5: Solve for x
    x = 663,446,937.38/25,533.14
  6. Step 6: Final answer
    x = 25,983.76

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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.