Home / 21,552.13-32,328.20-6,762.20

Finding the Fourth Proportional to 21,552.13, 32,328.20 and 6,762.20

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Solution

The fourth proportional to 21,552.13, 32,328.20 and 6,762.20 is: 10,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.13 : 32,328.20 = 6,762.20 : x
  2. Step 2: Convert to fraction form
    21,552.13/32,328.20 = 6,762.20/x
  3. Step 3: Cross multiply
    21,552.13x = 32,328.20 × 6,762.20
  4. Step 4: Simplify right side
    21,552.13x = 218,609,754.04
  5. Step 5: Solve for x
    x = 218,609,754.04/21,552.13
  6. Step 6: Final answer
    x = 10,143.30

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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.