Home / 20,773.09-31,159.63-16,457.41

Finding the Fourth Proportional to 20,773.09, 31,159.63 and 16,457.41

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Solution

The fourth proportional to 20,773.09, 31,159.63 and 16,457.41 is: 24,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.09 : 31,159.63 = 16,457.41 : x
  2. Step 2: Convert to fraction form
    20,773.09/31,159.63 = 16,457.41/x
  3. Step 3: Cross multiply
    20,773.09x = 31,159.63 × 16,457.41
  4. Step 4: Simplify right side
    20,773.09x = 512,806,806.36
  5. Step 5: Solve for x
    x = 512,806,806.36/20,773.09
  6. Step 6: Final answer
    x = 24,686.11

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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.