Home / 14,317.47-21,486.61-10,811.81

Finding the Fourth Proportional to 14,317.47, 21,486.61 and 10,811.81

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Solution

The fourth proportional to 14,317.47, 21,486.61 and 10,811.81 is: 16,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.47 : 21,486.61 = 10,811.81 : x
  2. Step 2: Convert to fraction form
    14,317.47/21,486.61 = 10,811.81/x
  3. Step 3: Cross multiply
    14,317.47x = 21,486.61 × 10,811.81
  4. Step 4: Simplify right side
    14,317.47x = 232,309,212.10
  5. Step 5: Solve for x
    x = 232,309,212.10/14,317.47
  6. Step 6: Final answer
    x = 16,225.58

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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.