Home / 12,532.60-17,255.62-10,640.26

Finding the Fourth Proportional to 12,532.60, 17,255.62 and 10,640.26

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Solution

The fourth proportional to 12,532.60, 17,255.62 and 10,640.26 is: 14,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.60 : 17,255.62 = 10,640.26 : x
  2. Step 2: Convert to fraction form
    12,532.60/17,255.62 = 10,640.26/x
  3. Step 3: Cross multiply
    12,532.60x = 17,255.62 × 10,640.26
  4. Step 4: Simplify right side
    12,532.60x = 183,604,283.26
  5. Step 5: Solve for x
    x = 183,604,283.26/12,532.60
  6. Step 6: Final answer
    x = 14,650.14

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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.