Home / 25,023.18-34,453.31-21,238.46

Finding the Fourth Proportional to 25,023.18, 34,453.31 and 21,238.46

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Solution

The fourth proportional to 25,023.18, 34,453.31 and 21,238.46 is: 29,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,023.18 : 34,453.31 = 21,238.46 : x
  2. Step 2: Convert to fraction form
    25,023.18/34,453.31 = 21,238.46/x
  3. Step 3: Cross multiply
    25,023.18x = 34,453.31 × 21,238.46
  4. Step 4: Simplify right side
    25,023.18x = 731,734,967.84
  5. Step 5: Solve for x
    x = 731,734,967.84/25,023.18
  6. Step 6: Final answer
    x = 29,242.29

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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.