Home / 23,146.17-31,941.75-12,535.80

Finding the Fourth Proportional to 23,146.17, 31,941.75 and 12,535.80

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Solution

The fourth proportional to 23,146.17, 31,941.75 and 12,535.80 is: 17,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.17 : 31,941.75 = 12,535.80 : x
  2. Step 2: Convert to fraction form
    23,146.17/31,941.75 = 12,535.80/x
  3. Step 3: Cross multiply
    23,146.17x = 31,941.75 × 12,535.80
  4. Step 4: Simplify right side
    23,146.17x = 400,415,496.55
  5. Step 5: Solve for x
    x = 400,415,496.55/23,146.17
  6. Step 6: Final answer
    x = 17,299.43

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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.