Home / 21,543.30-32,315.67-5,959.62

Finding the Fourth Proportional to 21,543.30, 32,315.67 and 5,959.62

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Solution

The fourth proportional to 21,543.30, 32,315.67 and 5,959.62 is: 8,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.30 : 32,315.67 = 5,959.62 : x
  2. Step 2: Convert to fraction form
    21,543.30/32,315.67 = 5,959.62/x
  3. Step 3: Cross multiply
    21,543.30x = 32,315.67 × 5,959.62
  4. Step 4: Simplify right side
    21,543.30x = 192,589,113.25
  5. Step 5: Solve for x
    x = 192,589,113.25/21,543.30
  6. Step 6: Final answer
    x = 8,939.63

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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.