Home / 14,445.89-21,669.69-4,057.64

Finding the Fourth Proportional to 14,445.89, 21,669.69 and 4,057.64

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Solution

The fourth proportional to 14,445.89, 21,669.69 and 4,057.64 is: 6,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.89 : 21,669.69 = 4,057.64 : x
  2. Step 2: Convert to fraction form
    14,445.89/21,669.69 = 4,057.64/x
  3. Step 3: Cross multiply
    14,445.89x = 21,669.69 × 4,057.64
  4. Step 4: Simplify right side
    14,445.89x = 87,927,800.93
  5. Step 5: Solve for x
    x = 87,927,800.93/14,445.89
  6. Step 6: Final answer
    x = 6,086.70

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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.