Home / 14,052.12-19,391.16-8,393.28

Finding the Fourth Proportional to 14,052.12, 19,391.16 and 8,393.28

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Solution

The fourth proportional to 14,052.12, 19,391.16 and 8,393.28 is: 11,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.12 : 19,391.16 = 8,393.28 : x
  2. Step 2: Convert to fraction form
    14,052.12/19,391.16 = 8,393.28/x
  3. Step 3: Cross multiply
    14,052.12x = 19,391.16 × 8,393.28
  4. Step 4: Simplify right side
    14,052.12x = 162,755,435.40
  5. Step 5: Solve for x
    x = 162,755,435.40/14,052.12
  6. Step 6: Final answer
    x = 11,582.27

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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.