Home / 14,258.18-21,384.84-3,867.50

Finding the Fourth Proportional to 14,258.18, 21,384.84 and 3,867.50

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Solution

The fourth proportional to 14,258.18, 21,384.84 and 3,867.50 is: 5,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.18 : 21,384.84 = 3,867.50 : x
  2. Step 2: Convert to fraction form
    14,258.18/21,384.84 = 3,867.50/x
  3. Step 3: Cross multiply
    14,258.18x = 21,384.84 × 3,867.50
  4. Step 4: Simplify right side
    14,258.18x = 82,705,868.70
  5. Step 5: Solve for x
    x = 82,705,868.70/14,258.18
  6. Step 6: Final answer
    x = 5,800.59

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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.