Home / 16,669.80-25,011.18-16,419.51

Finding the Fourth Proportional to 16,669.80, 25,011.18 and 16,419.51

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Solution

The fourth proportional to 16,669.80, 25,011.18 and 16,419.51 is: 24,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.80 : 25,011.18 = 16,419.51 : x
  2. Step 2: Convert to fraction form
    16,669.80/25,011.18 = 16,419.51/x
  3. Step 3: Cross multiply
    16,669.80x = 25,011.18 × 16,419.51
  4. Step 4: Simplify right side
    16,669.80x = 410,671,320.12
  5. Step 5: Solve for x
    x = 410,671,320.12/16,669.80
  6. Step 6: Final answer
    x = 24,635.65

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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.