Home / 21,376.21-32,061.30-7,335.99

Finding the Fourth Proportional to 21,376.21, 32,061.30 and 7,335.99

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Solution

The fourth proportional to 21,376.21, 32,061.30 and 7,335.99 is: 11,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.21 : 32,061.30 = 7,335.99 : x
  2. Step 2: Convert to fraction form
    21,376.21/32,061.30 = 7,335.99/x
  3. Step 3: Cross multiply
    21,376.21x = 32,061.30 × 7,335.99
  4. Step 4: Simplify right side
    21,376.21x = 235,201,389.94
  5. Step 5: Solve for x
    x = 235,201,389.94/21,376.21
  6. Step 6: Final answer
    x = 11,002.95

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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.