Home / 14,094.65-19,450.40-7,721.19

Finding the Fourth Proportional to 14,094.65, 19,450.40 and 7,721.19

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Solution

The fourth proportional to 14,094.65, 19,450.40 and 7,721.19 is: 10,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.65 : 19,450.40 = 7,721.19 : x
  2. Step 2: Convert to fraction form
    14,094.65/19,450.40 = 7,721.19/x
  3. Step 3: Cross multiply
    14,094.65x = 19,450.40 × 7,721.19
  4. Step 4: Simplify right side
    14,094.65x = 150,180,238.80
  5. Step 5: Solve for x
    x = 150,180,238.80/14,094.65
  6. Step 6: Final answer
    x = 10,655.12

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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.