Home / 21,541.28-32,288.88-9,836.96

Finding the Fourth Proportional to 21,541.28, 32,288.88 and 9,836.96

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Solution

The fourth proportional to 21,541.28, 32,288.88 and 9,836.96 is: 14,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.28 : 32,288.88 = 9,836.96 : x
  2. Step 2: Convert to fraction form
    21,541.28/32,288.88 = 9,836.96/x
  3. Step 3: Cross multiply
    21,541.28x = 32,288.88 × 9,836.96
  4. Step 4: Simplify right side
    21,541.28x = 317,624,421.00
  5. Step 5: Solve for x
    x = 317,624,421.00/21,541.28
  6. Step 6: Final answer
    x = 14,744.92

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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.