Home / 23,147.48-31,943.58-12,537.11

Finding the Fourth Proportional to 23,147.48, 31,943.58 and 12,537.11

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Solution

The fourth proportional to 23,147.48, 31,943.58 and 12,537.11 is: 17,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.48 : 31,943.58 = 12,537.11 : x
  2. Step 2: Convert to fraction form
    23,147.48/31,943.58 = 12,537.11/x
  3. Step 3: Cross multiply
    23,147.48x = 31,943.58 × 12,537.11
  4. Step 4: Simplify right side
    23,147.48x = 400,480,176.25
  5. Step 5: Solve for x
    x = 400,480,176.25/23,147.48
  6. Step 6: Final answer
    x = 17,301.24

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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.