Home / 18,590.08-25,654.56-10,206.72

Finding the Fourth Proportional to 18,590.08, 25,654.56 and 10,206.72

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Solution

The fourth proportional to 18,590.08, 25,654.56 and 10,206.72 is: 14,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.08 : 25,654.56 = 10,206.72 : x
  2. Step 2: Convert to fraction form
    18,590.08/25,654.56 = 10,206.72/x
  3. Step 3: Cross multiply
    18,590.08x = 25,654.56 × 10,206.72
  4. Step 4: Simplify right side
    18,590.08x = 261,848,910.64
  5. Step 5: Solve for x
    x = 261,848,910.64/18,590.08
  6. Step 6: Final answer
    x = 14,085.41

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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.