Home / 14,083.24-19,431.74-8,417.14

Finding the Fourth Proportional to 14,083.24, 19,431.74 and 8,417.14

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Solution

The fourth proportional to 14,083.24, 19,431.74 and 8,417.14 is: 11,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.24 : 19,431.74 = 8,417.14 : x
  2. Step 2: Convert to fraction form
    14,083.24/19,431.74 = 8,417.14/x
  3. Step 3: Cross multiply
    14,083.24x = 19,431.74 × 8,417.14
  4. Step 4: Simplify right side
    14,083.24x = 163,559,676.02
  5. Step 5: Solve for x
    x = 163,559,676.02/14,083.24
  6. Step 6: Final answer
    x = 11,613.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.