Home / 14,152.51-21,229.85-3,763.99

Finding the Fourth Proportional to 14,152.51, 21,229.85 and 3,763.99

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Solution

The fourth proportional to 14,152.51, 21,229.85 and 3,763.99 is: 5,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.51 : 21,229.85 = 3,763.99 : x
  2. Step 2: Convert to fraction form
    14,152.51/21,229.85 = 3,763.99/x
  3. Step 3: Cross multiply
    14,152.51x = 21,229.85 × 3,763.99
  4. Step 4: Simplify right side
    14,152.51x = 79,908,943.10
  5. Step 5: Solve for x
    x = 79,908,943.10/14,152.51
  6. Step 6: Final answer
    x = 5,646.27

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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.