Home / 18,553.32-25,590.74-11,475.54

Finding the Fourth Proportional to 18,553.32, 25,590.74 and 11,475.54

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Solution

The fourth proportional to 18,553.32, 25,590.74 and 11,475.54 is: 15,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.32 : 25,590.74 = 11,475.54 : x
  2. Step 2: Convert to fraction form
    18,553.32/25,590.74 = 11,475.54/x
  3. Step 3: Cross multiply
    18,553.32x = 25,590.74 × 11,475.54
  4. Step 4: Simplify right side
    18,553.32x = 293,667,503.12
  5. Step 5: Solve for x
    x = 293,667,503.12/18,553.32
  6. Step 6: Final answer
    x = 15,828.30

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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.