Home / 20,618.59-28,466.54-14,169.34

Finding the Fourth Proportional to 20,618.59, 28,466.54 and 14,169.34

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Solution

The fourth proportional to 20,618.59, 28,466.54 and 14,169.34 is: 19,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618.59 : 28,466.54 = 14,169.34 : x
  2. Step 2: Convert to fraction form
    20,618.59/28,466.54 = 14,169.34/x
  3. Step 3: Cross multiply
    20,618.59x = 28,466.54 × 14,169.34
  4. Step 4: Simplify right side
    20,618.59x = 403,351,977.29
  5. Step 5: Solve for x
    x = 403,351,977.29/20,618.59
  6. Step 6: Final answer
    x = 19,562.54

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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.