Home / 29,447.15-40,638.12-16,874.33

Finding the Fourth Proportional to 29,447.15, 40,638.12 and 16,874.33

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Solution

The fourth proportional to 29,447.15, 40,638.12 and 16,874.33 is: 23,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.15 : 40,638.12 = 16,874.33 : x
  2. Step 2: Convert to fraction form
    29,447.15/40,638.12 = 16,874.33/x
  3. Step 3: Cross multiply
    29,447.15x = 40,638.12 × 16,874.33
  4. Step 4: Simplify right side
    29,447.15x = 685,740,875.91
  5. Step 5: Solve for x
    x = 685,740,875.91/29,447.15
  6. Step 6: Final answer
    x = 23,287.18

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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.