Home / 21,673.08-29,899.92-14,601.76

Finding the Fourth Proportional to 21,673.08, 29,899.92 and 14,601.76

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Solution

The fourth proportional to 21,673.08, 29,899.92 and 14,601.76 is: 20,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673.08 : 29,899.92 = 14,601.76 : x
  2. Step 2: Convert to fraction form
    21,673.08/29,899.92 = 14,601.76/x
  3. Step 3: Cross multiply
    21,673.08x = 29,899.92 × 14,601.76
  4. Step 4: Simplify right side
    21,673.08x = 436,591,455.86
  5. Step 5: Solve for x
    x = 436,591,455.86/21,673.08
  6. Step 6: Final answer
    x = 20,144.41

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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.