Home / 21,331.19-32,000.84-9,644.38

Finding the Fourth Proportional to 21,331.19, 32,000.84 and 9,644.38

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Solution

The fourth proportional to 21,331.19, 32,000.84 and 9,644.38 is: 14,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.19 : 32,000.84 = 9,644.38 : x
  2. Step 2: Convert to fraction form
    21,331.19/32,000.84 = 9,644.38/x
  3. Step 3: Cross multiply
    21,331.19x = 32,000.84 × 9,644.38
  4. Step 4: Simplify right side
    21,331.19x = 308,628,261.28
  5. Step 5: Solve for x
    x = 308,628,261.28/21,331.19
  6. Step 6: Final answer
    x = 14,468.40

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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.