Home / 14,113.19-21,168.15-3,725.75

Finding the Fourth Proportional to 14,113.19, 21,168.15 and 3,725.75

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Solution

The fourth proportional to 14,113.19, 21,168.15 and 3,725.75 is: 5,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.19 : 21,168.15 = 3,725.75 : x
  2. Step 2: Convert to fraction form
    14,113.19/21,168.15 = 3,725.75/x
  3. Step 3: Cross multiply
    14,113.19x = 21,168.15 × 3,725.75
  4. Step 4: Simplify right side
    14,113.19x = 78,867,129.02
  5. Step 5: Solve for x
    x = 78,867,129.02/14,113.19
  6. Step 6: Final answer
    x = 5,588.19

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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.