Home / 14,195.28-21,295.49-5,870.78

Finding the Fourth Proportional to 14,195.28, 21,295.49 and 5,870.78

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Solution

The fourth proportional to 14,195.28, 21,295.49 and 5,870.78 is: 8,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.28 : 21,295.49 = 5,870.78 : x
  2. Step 2: Convert to fraction form
    14,195.28/21,295.49 = 5,870.78/x
  3. Step 3: Cross multiply
    14,195.28x = 21,295.49 × 5,870.78
  4. Step 4: Simplify right side
    14,195.28x = 125,021,000.95
  5. Step 5: Solve for x
    x = 125,021,000.95/14,195.28
  6. Step 6: Final answer
    x = 8,807.22

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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.