Home / 14,200.34-21,301.71-3,812.66

Finding the Fourth Proportional to 14,200.34, 21,301.71 and 3,812.66

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Solution

The fourth proportional to 14,200.34, 21,301.71 and 3,812.66 is: 5,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.34 : 21,301.71 = 3,812.66 : x
  2. Step 2: Convert to fraction form
    14,200.34/21,301.71 = 3,812.66/x
  3. Step 3: Cross multiply
    14,200.34x = 21,301.71 × 3,812.66
  4. Step 4: Simplify right side
    14,200.34x = 81,216,177.65
  5. Step 5: Solve for x
    x = 81,216,177.65/14,200.34
  6. Step 6: Final answer
    x = 5,719.31

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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.