Home / 16,930.80-25,410.60-7,585.20

Finding the Fourth Proportional to 16,930.80, 25,410.60 and 7,585.20

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Solution

The fourth proportional to 16,930.80, 25,410.60 and 7,585.20 is: 11,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.80 : 25,410.60 = 7,585.20 : x
  2. Step 2: Convert to fraction form
    16,930.80/25,410.60 = 7,585.20/x
  3. Step 3: Cross multiply
    16,930.80x = 25,410.60 × 7,585.20
  4. Step 4: Simplify right side
    16,930.80x = 192,744,483.12
  5. Step 5: Solve for x
    x = 192,744,483.12/16,930.80
  6. Step 6: Final answer
    x = 11,384.25

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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.