Home / 23,083.90-31,851.76-13,649.02

Finding the Fourth Proportional to 23,083.90, 31,851.76 and 13,649.02

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Solution

The fourth proportional to 23,083.90, 31,851.76 and 13,649.02 is: 18,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.90 : 31,851.76 = 13,649.02 : x
  2. Step 2: Convert to fraction form
    23,083.90/31,851.76 = 13,649.02/x
  3. Step 3: Cross multiply
    23,083.90x = 31,851.76 × 13,649.02
  4. Step 4: Simplify right side
    23,083.90x = 434,745,309.28
  5. Step 5: Solve for x
    x = 434,745,309.28/23,083.90
  6. Step 6: Final answer
    x = 18,833.27

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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.