Home / 23,147.72-31,943.94-12,537.36

Finding the Fourth Proportional to 23,147.72, 31,943.94 and 12,537.36

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Solution

The fourth proportional to 23,147.72, 31,943.94 and 12,537.36 is: 17,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.72 : 31,943.94 = 12,537.36 : x
  2. Step 2: Convert to fraction form
    23,147.72/31,943.94 = 12,537.36/x
  3. Step 3: Cross multiply
    23,147.72x = 31,943.94 × 12,537.36
  4. Step 4: Simplify right side
    23,147.72x = 400,492,675.60
  5. Step 5: Solve for x
    x = 400,492,675.60/23,147.72
  6. Step 6: Final answer
    x = 17,301.60

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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.