Home / 28,104.96-42,159.82-11,466.12

Finding the Fourth Proportional to 28,104.96, 42,159.82 and 11,466.12

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Solution

The fourth proportional to 28,104.96, 42,159.82 and 11,466.12 is: 17,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.96 : 42,159.82 = 11,466.12 : x
  2. Step 2: Convert to fraction form
    28,104.96/42,159.82 = 11,466.12/x
  3. Step 3: Cross multiply
    28,104.96x = 42,159.82 × 11,466.12
  4. Step 4: Simplify right side
    28,104.96x = 483,409,555.30
  5. Step 5: Solve for x
    x = 483,409,555.30/28,104.96
  6. Step 6: Final answer
    x = 17,200.15

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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.