Home / 15,835.74-23,753.55-4,742.43

Finding the Fourth Proportional to 15,835.74, 23,753.55 and 4,742.43

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Solution

The fourth proportional to 15,835.74, 23,753.55 and 4,742.43 is: 7,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.74 : 23,753.55 = 4,742.43 : x
  2. Step 2: Convert to fraction form
    15,835.74/23,753.55 = 4,742.43/x
  3. Step 3: Cross multiply
    15,835.74x = 23,753.55 × 4,742.43
  4. Step 4: Simplify right side
    15,835.74x = 112,649,548.13
  5. Step 5: Solve for x
    x = 112,649,548.13/15,835.74
  6. Step 6: Final answer
    x = 7,113.63

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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.