Home / 14,281.11-19,707.30-7,907.93

Finding the Fourth Proportional to 14,281.11, 19,707.30 and 7,907.93

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Solution

The fourth proportional to 14,281.11, 19,707.30 and 7,907.93 is: 10,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.11 : 19,707.30 = 7,907.93 : x
  2. Step 2: Convert to fraction form
    14,281.11/19,707.30 = 7,907.93/x
  3. Step 3: Cross multiply
    14,281.11x = 19,707.30 × 7,907.93
  4. Step 4: Simplify right side
    14,281.11x = 155,843,924.25
  5. Step 5: Solve for x
    x = 155,843,924.25/14,281.11
  6. Step 6: Final answer
    x = 10,912.59

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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.