Home / 14,104.18-21,158.13-5,218.30

Finding the Fourth Proportional to 14,104.18, 21,158.13 and 5,218.30

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Solution

The fourth proportional to 14,104.18, 21,158.13 and 5,218.30 is: 7,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.18 : 21,158.13 = 5,218.30 : x
  2. Step 2: Convert to fraction form
    14,104.18/21,158.13 = 5,218.30/x
  3. Step 3: Cross multiply
    14,104.18x = 21,158.13 × 5,218.30
  4. Step 4: Simplify right side
    14,104.18x = 110,409,469.78
  5. Step 5: Solve for x
    x = 110,409,469.78/14,104.18
  6. Step 6: Final answer
    x = 7,828.14

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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.