Home / 21,769.08-32,628.10-10,057.69

Finding the Fourth Proportional to 21,769.08, 32,628.10 and 10,057.69

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Solution

The fourth proportional to 21,769.08, 32,628.10 and 10,057.69 is: 15,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.08 : 32,628.10 = 10,057.69 : x
  2. Step 2: Convert to fraction form
    21,769.08/32,628.10 = 10,057.69/x
  3. Step 3: Cross multiply
    21,769.08x = 32,628.10 × 10,057.69
  4. Step 4: Simplify right side
    21,769.08x = 328,163,315.09
  5. Step 5: Solve for x
    x = 328,163,315.09/21,769.08
  6. Step 6: Final answer
    x = 15,074.74

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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.