Home / 14,025.92-21,038.88-6,240.20

Finding the Fourth Proportional to 14,025.92, 21,038.88 and 6,240.20

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Solution

The fourth proportional to 14,025.92, 21,038.88 and 6,240.20 is: 9,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.92 : 21,038.88 = 6,240.20 : x
  2. Step 2: Convert to fraction form
    14,025.92/21,038.88 = 6,240.20/x
  3. Step 3: Cross multiply
    14,025.92x = 21,038.88 × 6,240.20
  4. Step 4: Simplify right side
    14,025.92x = 131,286,818.98
  5. Step 5: Solve for x
    x = 131,286,818.98/14,025.92
  6. Step 6: Final answer
    x = 9,360.30

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Similar ratio
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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.