Home / 18,539.05-25,583.77-10,040.98

Finding the Fourth Proportional to 18,539.05, 25,583.77 and 10,040.98

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Solution

The fourth proportional to 18,539.05, 25,583.77 and 10,040.98 is: 13,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.05 : 25,583.77 = 10,040.98 : x
  2. Step 2: Convert to fraction form
    18,539.05/25,583.77 = 10,040.98/x
  3. Step 3: Cross multiply
    18,539.05x = 25,583.77 × 10,040.98
  4. Step 4: Simplify right side
    18,539.05x = 256,886,122.89
  5. Step 5: Solve for x
    x = 256,886,122.89/18,539.05
  6. Step 6: Final answer
    x = 13,856.49

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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.