Home / 15,945.48-22,012.74-12,352.41

Finding the Fourth Proportional to 15,945.48, 22,012.74 and 12,352.41

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Solution

The fourth proportional to 15,945.48, 22,012.74 and 12,352.41 is: 17,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.48 : 22,012.74 = 12,352.41 : x
  2. Step 2: Convert to fraction form
    15,945.48/22,012.74 = 12,352.41/x
  3. Step 3: Cross multiply
    15,945.48x = 22,012.74 × 12,352.41
  4. Step 4: Simplify right side
    15,945.48x = 271,910,389.70
  5. Step 5: Solve for x
    x = 271,910,389.70/15,945.48
  6. Step 6: Final answer
    x = 17,052.51

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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.