Home / 23,331.23-32,197.13-12,720.86

Finding the Fourth Proportional to 23,331.23, 32,197.13 and 12,720.86

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Solution

The fourth proportional to 23,331.23, 32,197.13 and 12,720.86 is: 17,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.23 : 32,197.13 = 12,720.86 : x
  2. Step 2: Convert to fraction form
    23,331.23/32,197.13 = 12,720.86/x
  3. Step 3: Cross multiply
    23,331.23x = 32,197.13 × 12,720.86
  4. Step 4: Simplify right side
    23,331.23x = 409,575,091.21
  5. Step 5: Solve for x
    x = 409,575,091.21/23,331.23
  6. Step 6: Final answer
    x = 17,554.80

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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.