Home / 21,620.62-32,431.02-6,038.38

Finding the Fourth Proportional to 21,620.62, 32,431.02 and 6,038.38

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Solution

The fourth proportional to 21,620.62, 32,431.02 and 6,038.38 is: 9,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.62 : 32,431.02 = 6,038.38 : x
  2. Step 2: Convert to fraction form
    21,620.62/32,431.02 = 6,038.38/x
  3. Step 3: Cross multiply
    21,620.62x = 32,431.02 × 6,038.38
  4. Step 4: Simplify right side
    21,620.62x = 195,830,822.55
  5. Step 5: Solve for x
    x = 195,830,822.55/21,620.62
  6. Step 6: Final answer
    x = 9,057.60

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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.