Home / 16,985.98-25,466.66-8,557.67

Finding the Fourth Proportional to 16,985.98, 25,466.66 and 8,557.67

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Solution

The fourth proportional to 16,985.98, 25,466.66 and 8,557.67 is: 12,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.98 : 25,466.66 = 8,557.67 : x
  2. Step 2: Convert to fraction form
    16,985.98/25,466.66 = 8,557.67/x
  3. Step 3: Cross multiply
    16,985.98x = 25,466.66 × 8,557.67
  4. Step 4: Simplify right side
    16,985.98x = 217,935,325.25
  5. Step 5: Solve for x
    x = 217,935,325.25/16,985.98
  6. Step 6: Final answer
    x = 12,830.31

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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.