Home / 14,515.19-21,773.59-4,127.75

Finding the Fourth Proportional to 14,515.19, 21,773.59 and 4,127.75

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Solution

The fourth proportional to 14,515.19, 21,773.59 and 4,127.75 is: 6,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.19 : 21,773.59 = 4,127.75 : x
  2. Step 2: Convert to fraction form
    14,515.19/21,773.59 = 4,127.75/x
  3. Step 3: Cross multiply
    14,515.19x = 21,773.59 × 4,127.75
  4. Step 4: Simplify right side
    14,515.19x = 89,875,936.12
  5. Step 5: Solve for x
    x = 89,875,936.12/14,515.19
  6. Step 6: Final answer
    x = 6,191.85

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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.