Home / 23,126.24-31,913.97-12,515.64

Finding the Fourth Proportional to 23,126.24, 31,913.97 and 12,515.64

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Solution

The fourth proportional to 23,126.24, 31,913.97 and 12,515.64 is: 17,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.24 : 31,913.97 = 12,515.64 : x
  2. Step 2: Convert to fraction form
    23,126.24/31,913.97 = 12,515.64/x
  3. Step 3: Cross multiply
    23,126.24x = 31,913.97 × 12,515.64
  4. Step 4: Simplify right side
    23,126.24x = 399,423,759.49
  5. Step 5: Solve for x
    x = 399,423,759.49/23,126.24
  6. Step 6: Final answer
    x = 17,271.46

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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.