Home / 21,354.06-32,024.16-7,118.76

Finding the Fourth Proportional to 21,354.06, 32,024.16 and 7,118.76

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Solution

The fourth proportional to 21,354.06, 32,024.16 and 7,118.76 is: 10,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.06 : 32,024.16 = 7,118.76 : x
  2. Step 2: Convert to fraction form
    21,354.06/32,024.16 = 7,118.76/x
  3. Step 3: Cross multiply
    21,354.06x = 32,024.16 × 7,118.76
  4. Step 4: Simplify right side
    21,354.06x = 227,972,309.24
  5. Step 5: Solve for x
    x = 227,972,309.24/21,354.06
  6. Step 6: Final answer
    x = 10,675.83

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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.