Home / 14,291.10-21,434.04-3,902.76

Finding the Fourth Proportional to 14,291.10, 21,434.04 and 3,902.76

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Solution

The fourth proportional to 14,291.10, 21,434.04 and 3,902.76 is: 5,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.10 : 21,434.04 = 3,902.76 : x
  2. Step 2: Convert to fraction form
    14,291.10/21,434.04 = 3,902.76/x
  3. Step 3: Cross multiply
    14,291.10x = 21,434.04 × 3,902.76
  4. Step 4: Simplify right side
    14,291.10x = 83,651,913.95
  5. Step 5: Solve for x
    x = 83,651,913.95/14,291.10
  6. Step 6: Final answer
    x = 5,853.43

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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.