Home / 18,962.92-28,427.82-9,590.68

Finding the Fourth Proportional to 18,962.92, 28,427.82 and 9,590.68

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Solution

The fourth proportional to 18,962.92, 28,427.82 and 9,590.68 is: 14,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.92 : 28,427.82 = 9,590.68 : x
  2. Step 2: Convert to fraction form
    18,962.92/28,427.82 = 9,590.68/x
  3. Step 3: Cross multiply
    18,962.92x = 28,427.82 × 9,590.68
  4. Step 4: Simplify right side
    18,962.92x = 272,642,124.72
  5. Step 5: Solve for x
    x = 272,642,124.72/18,962.92
  6. Step 6: Final answer
    x = 14,377.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.