Home / 14,291.31-21,429.23-11,348.69

Finding the Fourth Proportional to 14,291.31, 21,429.23 and 11,348.69

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Solution

The fourth proportional to 14,291.31, 21,429.23 and 11,348.69 is: 17,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.31 : 21,429.23 = 11,348.69 : x
  2. Step 2: Convert to fraction form
    14,291.31/21,429.23 = 11,348.69/x
  3. Step 3: Cross multiply
    14,291.31x = 21,429.23 × 11,348.69
  4. Step 4: Simplify right side
    14,291.31x = 243,193,581.06
  5. Step 5: Solve for x
    x = 243,193,581.06/14,291.31
  6. Step 6: Final answer
    x = 17,016.89

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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.