Home / 15,749.98-23,630.43-6,991.03

Finding the Fourth Proportional to 15,749.98, 23,630.43 and 6,991.03

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Solution

The fourth proportional to 15,749.98, 23,630.43 and 6,991.03 is: 10,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.98 : 23,630.43 = 6,991.03 : x
  2. Step 2: Convert to fraction form
    15,749.98/23,630.43 = 6,991.03/x
  3. Step 3: Cross multiply
    15,749.98x = 23,630.43 × 6,991.03
  4. Step 4: Simplify right side
    15,749.98x = 165,201,045.04
  5. Step 5: Solve for x
    x = 165,201,045.04/15,749.98
  6. Step 6: Final answer
    x = 10,488.97

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1.5x scale

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.