Home / 14,331.36-19,780.08-8,043.36

Finding the Fourth Proportional to 14,331.36, 19,780.08 and 8,043.36

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Solution

The fourth proportional to 14,331.36, 19,780.08 and 8,043.36 is: 11,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.36 : 19,780.08 = 8,043.36 : x
  2. Step 2: Convert to fraction form
    14,331.36/19,780.08 = 8,043.36/x
  3. Step 3: Cross multiply
    14,331.36x = 19,780.08 × 8,043.36
  4. Step 4: Simplify right side
    14,331.36x = 159,098,304.27
  5. Step 5: Solve for x
    x = 159,098,304.27/14,331.36
  6. Step 6: Final answer
    x = 11,101.41

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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.