Home / 25,374.80-38,014.76-21,241.38

Finding the Fourth Proportional to 25,374.80, 38,014.76 and 21,241.38

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Solution

The fourth proportional to 25,374.80, 38,014.76 and 21,241.38 is: 31,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.80 : 38,014.76 = 21,241.38 : x
  2. Step 2: Convert to fraction form
    25,374.80/38,014.76 = 21,241.38/x
  3. Step 3: Cross multiply
    25,374.80x = 38,014.76 × 21,241.38
  4. Step 4: Simplify right side
    25,374.80x = 807,485,962.77
  5. Step 5: Solve for x
    x = 807,485,962.77/25,374.80
  6. Step 6: Final answer
    x = 31,822.36

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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.