Home / 15,742.20-23,615.87-4,650.01

Finding the Fourth Proportional to 15,742.20, 23,615.87 and 4,650.01

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Solution

The fourth proportional to 15,742.20, 23,615.87 and 4,650.01 is: 6,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.20 : 23,615.87 = 4,650.01 : x
  2. Step 2: Convert to fraction form
    15,742.20/23,615.87 = 4,650.01/x
  3. Step 3: Cross multiply
    15,742.20x = 23,615.87 × 4,650.01
  4. Step 4: Simplify right side
    15,742.20x = 109,814,031.66
  5. Step 5: Solve for x
    x = 109,814,031.66/15,742.20
  6. Step 6: Final answer
    x = 6,975.77

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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.