Home / 15,821.35-23,732.05-6,461.37

Finding the Fourth Proportional to 15,821.35, 23,732.05 and 6,461.37

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Solution

The fourth proportional to 15,821.35, 23,732.05 and 6,461.37 is: 9,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.35 : 23,732.05 = 6,461.37 : x
  2. Step 2: Convert to fraction form
    15,821.35/23,732.05 = 6,461.37/x
  3. Step 3: Cross multiply
    15,821.35x = 23,732.05 × 6,461.37
  4. Step 4: Simplify right side
    15,821.35x = 153,341,603.42
  5. Step 5: Solve for x
    x = 153,341,603.42/15,821.35
  6. Step 6: Final answer
    x = 9,692.07

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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.