Home / 14,110.09-21,156.88-4,748.31

Finding the Fourth Proportional to 14,110.09, 21,156.88 and 4,748.31

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Solution

The fourth proportional to 14,110.09, 21,156.88 and 4,748.31 is: 7,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.09 : 21,156.88 = 4,748.31 : x
  2. Step 2: Convert to fraction form
    14,110.09/21,156.88 = 4,748.31/x
  3. Step 3: Cross multiply
    14,110.09x = 21,156.88 × 4,748.31
  4. Step 4: Simplify right side
    14,110.09x = 100,459,424.87
  5. Step 5: Solve for x
    x = 100,459,424.87/14,110.09
  6. Step 6: Final answer
    x = 7,119.69

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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.