Home / 14,209.16-21,309.42-4,973

Finding the Fourth Proportional to 14,209.16, 21,309.42 and 4,973

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Solution

The fourth proportional to 14,209.16, 21,309.42 and 4,973 is: 7,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.16 : 21,309.42 = 4,973 : x
  2. Step 2: Convert to fraction form
    14,209.16/21,309.42 = 4,973/x
  3. Step 3: Cross multiply
    14,209.16x = 21,309.42 × 4,973
  4. Step 4: Simplify right side
    14,209.16x = 105,971,745.66
  5. Step 5: Solve for x
    x = 105,971,745.66/14,209.16
  6. Step 6: Final answer
    x = 7,457.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.