Home / 23,203.78-32,004.68-21,295.74

Finding the Fourth Proportional to 23,203.78, 32,004.68 and 21,295.74

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Solution

The fourth proportional to 23,203.78, 32,004.68 and 21,295.74 is: 29,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.78 : 32,004.68 = 21,295.74 : x
  2. Step 2: Convert to fraction form
    23,203.78/32,004.68 = 21,295.74/x
  3. Step 3: Cross multiply
    23,203.78x = 32,004.68 × 21,295.74
  4. Step 4: Simplify right side
    23,203.78x = 681,563,357.60
  5. Step 5: Solve for x
    x = 681,563,357.60/23,203.78
  6. Step 6: Final answer
    x = 29,372.95

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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.