Home / 23,250.64-32,085.88-12,640.26

Finding the Fourth Proportional to 23,250.64, 32,085.88 and 12,640.26

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Solution

The fourth proportional to 23,250.64, 32,085.88 and 12,640.26 is: 17,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,250.64 : 32,085.88 = 12,640.26 : x
  2. Step 2: Convert to fraction form
    23,250.64/32,085.88 = 12,640.26/x
  3. Step 3: Cross multiply
    23,250.64x = 32,085.88 × 12,640.26
  4. Step 4: Simplify right side
    23,250.64x = 405,573,865.53
  5. Step 5: Solve for x
    x = 405,573,865.53/23,250.64
  6. Step 6: Final answer
    x = 17,443.56

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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.