Home / 21,543.80-32,315.69-6,754.01

Finding the Fourth Proportional to 21,543.80, 32,315.69 and 6,754.01

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Solution

The fourth proportional to 21,543.80, 32,315.69 and 6,754.01 is: 10,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.80 : 32,315.69 = 6,754.01 : x
  2. Step 2: Convert to fraction form
    21,543.80/32,315.69 = 6,754.01/x
  3. Step 3: Cross multiply
    21,543.80x = 32,315.69 × 6,754.01
  4. Step 4: Simplify right side
    21,543.80x = 218,260,348.72
  5. Step 5: Solve for x
    x = 218,260,348.72/21,543.80
  6. Step 6: Final answer
    x = 10,131.01

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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.