Home / 23,250.76-32,086.39-12,640.40

Finding the Fourth Proportional to 23,250.76, 32,086.39 and 12,640.40

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Solution

The fourth proportional to 23,250.76, 32,086.39 and 12,640.40 is: 17,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,250.76 : 32,086.39 = 12,640.40 : x
  2. Step 2: Convert to fraction form
    23,250.76/32,086.39 = 12,640.40/x
  3. Step 3: Cross multiply
    23,250.76x = 32,086.39 × 12,640.40
  4. Step 4: Simplify right side
    23,250.76x = 405,584,804.16
  5. Step 5: Solve for x
    x = 405,584,804.16/23,250.76
  6. Step 6: Final answer
    x = 17,443.94

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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.