Home / 17,671.44-26,507.97-12,500.40

Finding the Fourth Proportional to 17,671.44, 26,507.97 and 12,500.40

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Solution

The fourth proportional to 17,671.44, 26,507.97 and 12,500.40 is: 18,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.44 : 26,507.97 = 12,500.40 : x
  2. Step 2: Convert to fraction form
    17,671.44/26,507.97 = 12,500.40/x
  3. Step 3: Cross multiply
    17,671.44x = 26,507.97 × 12,500.40
  4. Step 4: Simplify right side
    17,671.44x = 331,360,228.19
  5. Step 5: Solve for x
    x = 331,360,228.19/17,671.44
  6. Step 6: Final answer
    x = 18,751.17

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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.