Home / 23,686.85-32,687.76-13,076.40

Finding the Fourth Proportional to 23,686.85, 32,687.76 and 13,076.40

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Solution

The fourth proportional to 23,686.85, 32,687.76 and 13,076.40 is: 18,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,686.85 : 32,687.76 = 13,076.40 : x
  2. Step 2: Convert to fraction form
    23,686.85/32,687.76 = 13,076.40/x
  3. Step 3: Cross multiply
    23,686.85x = 32,687.76 × 13,076.40
  4. Step 4: Simplify right side
    23,686.85x = 427,438,224.86
  5. Step 5: Solve for x
    x = 427,438,224.86/23,686.85
  6. Step 6: Final answer
    x = 18,045.38

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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.