Home / 21,543.12-32,314.68-6,752.12

Finding the Fourth Proportional to 21,543.12, 32,314.68 and 6,752.12

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Solution

The fourth proportional to 21,543.12, 32,314.68 and 6,752.12 is: 10,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.12 : 32,314.68 = 6,752.12 : x
  2. Step 2: Convert to fraction form
    21,543.12/32,314.68 = 6,752.12/x
  3. Step 3: Cross multiply
    21,543.12x = 32,314.68 × 6,752.12
  4. Step 4: Simplify right side
    21,543.12x = 218,192,435.55
  5. Step 5: Solve for x
    x = 218,192,435.55/21,543.12
  6. Step 6: Final answer
    x = 10,128.17

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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.