Home / 14,239.33-19,631.85-9,755.07

Finding the Fourth Proportional to 14,239.33, 19,631.85 and 9,755.07

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Solution

The fourth proportional to 14,239.33, 19,631.85 and 9,755.07 is: 13,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.33 : 19,631.85 = 9,755.07 : x
  2. Step 2: Convert to fraction form
    14,239.33/19,631.85 = 9,755.07/x
  3. Step 3: Cross multiply
    14,239.33x = 19,631.85 × 9,755.07
  4. Step 4: Simplify right side
    14,239.33x = 191,510,070.98
  5. Step 5: Solve for x
    x = 191,510,070.98/14,239.33
  6. Step 6: Final answer
    x = 13,449.37

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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.