Home / 14,167.11-21,253.88-4,680.09

Finding the Fourth Proportional to 14,167.11, 21,253.88 and 4,680.09

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Solution

The fourth proportional to 14,167.11, 21,253.88 and 4,680.09 is: 7,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.11 : 21,253.88 = 4,680.09 : x
  2. Step 2: Convert to fraction form
    14,167.11/21,253.88 = 4,680.09/x
  3. Step 3: Cross multiply
    14,167.11x = 21,253.88 × 4,680.09
  4. Step 4: Simplify right side
    14,167.11x = 99,470,047.85
  5. Step 5: Solve for x
    x = 99,470,047.85/14,167.11
  6. Step 6: Final answer
    x = 7,021.20

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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.