Home / 14,205.95-21,311.40-5,881.40

Finding the Fourth Proportional to 14,205.95, 21,311.40 and 5,881.40

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Solution

The fourth proportional to 14,205.95, 21,311.40 and 5,881.40 is: 8,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.95 : 21,311.40 = 5,881.40 : x
  2. Step 2: Convert to fraction form
    14,205.95/21,311.40 = 5,881.40/x
  3. Step 3: Cross multiply
    14,205.95x = 21,311.40 × 5,881.40
  4. Step 4: Simplify right side
    14,205.95x = 125,340,867.96
  5. Step 5: Solve for x
    x = 125,340,867.96/14,205.95
  6. Step 6: Final answer
    x = 8,823.12

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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.