Home / 18,261.48-25,203.94-10,603.57

Finding the Fourth Proportional to 18,261.48, 25,203.94 and 10,603.57

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Solution

The fourth proportional to 18,261.48, 25,203.94 and 10,603.57 is: 14,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.48 : 25,203.94 = 10,603.57 : x
  2. Step 2: Convert to fraction form
    18,261.48/25,203.94 = 10,603.57/x
  3. Step 3: Cross multiply
    18,261.48x = 25,203.94 × 10,603.57
  4. Step 4: Simplify right side
    18,261.48x = 267,251,563.03
  5. Step 5: Solve for x
    x = 267,251,563.03/18,261.48
  6. Step 6: Final answer
    x = 14,634.72

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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.