Home / 15,774.41-21,768.23-8,604.53

Finding the Fourth Proportional to 15,774.41, 21,768.23 and 8,604.53

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Solution

The fourth proportional to 15,774.41, 21,768.23 and 8,604.53 is: 11,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.41 : 21,768.23 = 8,604.53 : x
  2. Step 2: Convert to fraction form
    15,774.41/21,768.23 = 8,604.53/x
  3. Step 3: Cross multiply
    15,774.41x = 21,768.23 × 8,604.53
  4. Step 4: Simplify right side
    15,774.41x = 187,305,236.22
  5. Step 5: Solve for x
    x = 187,305,236.22/15,774.41
  6. Step 6: Final answer
    x = 11,874.00

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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.