Home / 18,074.31-24,925.92-15,270.09

Finding the Fourth Proportional to 18,074.31, 24,925.92 and 15,270.09

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Solution

The fourth proportional to 18,074.31, 24,925.92 and 15,270.09 is: 21,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.31 : 24,925.92 = 15,270.09 : x
  2. Step 2: Convert to fraction form
    18,074.31/24,925.92 = 15,270.09/x
  3. Step 3: Cross multiply
    18,074.31x = 24,925.92 × 15,270.09
  4. Step 4: Simplify right side
    18,074.31x = 380,621,041.73
  5. Step 5: Solve for x
    x = 380,621,041.73/18,074.31
  6. Step 6: Final answer
    x = 21,058.68

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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.