Home / 14,156.74-21,235.08-3,768.49

Finding the Fourth Proportional to 14,156.74, 21,235.08 and 3,768.49

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Solution

The fourth proportional to 14,156.74, 21,235.08 and 3,768.49 is: 5,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.74 : 21,235.08 = 3,768.49 : x
  2. Step 2: Convert to fraction form
    14,156.74/21,235.08 = 3,768.49/x
  3. Step 3: Cross multiply
    14,156.74x = 21,235.08 × 3,768.49
  4. Step 4: Simplify right side
    14,156.74x = 80,024,186.63
  5. Step 5: Solve for x
    x = 80,024,186.63/14,156.74
  6. Step 6: Final answer
    x = 5,652.73

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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.