Home / 21,543.53-32,315.29-6,752.43

Finding the Fourth Proportional to 21,543.53, 32,315.29 and 6,752.43

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Solution

The fourth proportional to 21,543.53, 32,315.29 and 6,752.43 is: 10,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.53 : 32,315.29 = 6,752.43 : x
  2. Step 2: Convert to fraction form
    21,543.53/32,315.29 = 6,752.43/x
  3. Step 3: Cross multiply
    21,543.53x = 32,315.29 × 6,752.43
  4. Step 4: Simplify right side
    21,543.53x = 218,206,716.77
  5. Step 5: Solve for x
    x = 218,206,716.77/21,543.53
  6. Step 6: Final answer
    x = 10,128.65

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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.