Home / 14,370.36-21,555.54-3,982.11

Finding the Fourth Proportional to 14,370.36, 21,555.54 and 3,982.11

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Solution

The fourth proportional to 14,370.36, 21,555.54 and 3,982.11 is: 5,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.36 : 21,555.54 = 3,982.11 : x
  2. Step 2: Convert to fraction form
    14,370.36/21,555.54 = 3,982.11/x
  3. Step 3: Cross multiply
    14,370.36x = 21,555.54 × 3,982.11
  4. Step 4: Simplify right side
    14,370.36x = 85,836,423.61
  5. Step 5: Solve for x
    x = 85,836,423.61/14,370.36
  6. Step 6: Final answer
    x = 5,973.16

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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.