Home / 14,772.88-20,385.83-8,058.45

Finding the Fourth Proportional to 14,772.88, 20,385.83 and 8,058.45

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Solution

The fourth proportional to 14,772.88, 20,385.83 and 8,058.45 is: 11,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.88 : 20,385.83 = 8,058.45 : x
  2. Step 2: Convert to fraction form
    14,772.88/20,385.83 = 8,058.45/x
  3. Step 3: Cross multiply
    14,772.88x = 20,385.83 × 8,058.45
  4. Step 4: Simplify right side
    14,772.88x = 164,278,243.03
  5. Step 5: Solve for x
    x = 164,278,243.03/14,772.88
  6. Step 6: Final answer
    x = 11,120.26

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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.