Home / 23,885.86-32,887.19-21,671.52

Finding the Fourth Proportional to 23,885.86, 32,887.19 and 21,671.52

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Solution

The fourth proportional to 23,885.86, 32,887.19 and 21,671.52 is: 29,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,885.86 : 32,887.19 = 21,671.52 : x
  2. Step 2: Convert to fraction form
    23,885.86/32,887.19 = 21,671.52/x
  3. Step 3: Cross multiply
    23,885.86x = 32,887.19 × 21,671.52
  4. Step 4: Simplify right side
    23,885.86x = 712,715,450.01
  5. Step 5: Solve for x
    x = 712,715,450.01/23,885.86
  6. Step 6: Final answer
    x = 29,838.39

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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.