Home / 14,122.64-19,489.26-7,835.02

Finding the Fourth Proportional to 14,122.64, 19,489.26 and 7,835.02

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Solution

The fourth proportional to 14,122.64, 19,489.26 and 7,835.02 is: 10,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.64 : 19,489.26 = 7,835.02 : x
  2. Step 2: Convert to fraction form
    14,122.64/19,489.26 = 7,835.02/x
  3. Step 3: Cross multiply
    14,122.64x = 19,489.26 × 7,835.02
  4. Step 4: Simplify right side
    14,122.64x = 152,698,605.26
  5. Step 5: Solve for x
    x = 152,698,605.26/14,122.64
  6. Step 6: Final answer
    x = 10,812.33

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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.