Home / 21,152.34-31,713.93-10,049.67

Finding the Fourth Proportional to 21,152.34, 31,713.93 and 10,049.67

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Solution

The fourth proportional to 21,152.34, 31,713.93 and 10,049.67 is: 15,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152.34 : 31,713.93 = 10,049.67 : x
  2. Step 2: Convert to fraction form
    21,152.34/31,713.93 = 10,049.67/x
  3. Step 3: Cross multiply
    21,152.34x = 31,713.93 × 10,049.67
  4. Step 4: Simplify right side
    21,152.34x = 318,714,530.90
  5. Step 5: Solve for x
    x = 318,714,530.90/21,152.34
  6. Step 6: Final answer
    x = 15,067.58

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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.