Home / 14,331.09-19,775.82-8,042.25

Finding the Fourth Proportional to 14,331.09, 19,775.82 and 8,042.25

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Solution

The fourth proportional to 14,331.09, 19,775.82 and 8,042.25 is: 11,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.09 : 19,775.82 = 8,042.25 : x
  2. Step 2: Convert to fraction form
    14,331.09/19,775.82 = 8,042.25/x
  3. Step 3: Cross multiply
    14,331.09x = 19,775.82 × 8,042.25
  4. Step 4: Simplify right side
    14,331.09x = 159,042,088.40
  5. Step 5: Solve for x
    x = 159,042,088.40/14,331.09
  6. Step 6: Final answer
    x = 11,097.70

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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.