Home / 23,021.58-34,364.30-19,755.66

Finding the Fourth Proportional to 23,021.58, 34,364.30 and 19,755.66

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Solution

The fourth proportional to 23,021.58, 34,364.30 and 19,755.66 is: 29,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.58 : 34,364.30 = 19,755.66 : x
  2. Step 2: Convert to fraction form
    23,021.58/34,364.30 = 19,755.66/x
  3. Step 3: Cross multiply
    23,021.58x = 34,364.30 × 19,755.66
  4. Step 4: Simplify right side
    23,021.58x = 678,889,402.24
  5. Step 5: Solve for x
    x = 678,889,402.24/23,021.58
  6. Step 6: Final answer
    x = 29,489.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.