Home / 14,185.12-21,280.86-4,325.17

Finding the Fourth Proportional to 14,185.12, 21,280.86 and 4,325.17

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Solution

The fourth proportional to 14,185.12, 21,280.86 and 4,325.17 is: 6,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.12 : 21,280.86 = 4,325.17 : x
  2. Step 2: Convert to fraction form
    14,185.12/21,280.86 = 4,325.17/x
  3. Step 3: Cross multiply
    14,185.12x = 21,280.86 × 4,325.17
  4. Step 4: Simplify right side
    14,185.12x = 92,043,337.25
  5. Step 5: Solve for x
    x = 92,043,337.25/14,185.12
  6. Step 6: Final answer
    x = 6,488.72

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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.