Home / 18,558.72-25,612.47-10,603.44

Finding the Fourth Proportional to 18,558.72, 25,612.47 and 10,603.44

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Solution

The fourth proportional to 18,558.72, 25,612.47 and 10,603.44 is: 14,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.72 : 25,612.47 = 10,603.44 : x
  2. Step 2: Convert to fraction form
    18,558.72/25,612.47 = 10,603.44/x
  3. Step 3: Cross multiply
    18,558.72x = 25,612.47 × 10,603.44
  4. Step 4: Simplify right side
    18,558.72x = 271,580,288.90
  5. Step 5: Solve for x
    x = 271,580,288.90/18,558.72
  6. Step 6: Final answer
    x = 14,633.57

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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.