Home / 21,655.02-32,477.22-8,325.30

Finding the Fourth Proportional to 21,655.02, 32,477.22 and 8,325.30

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Solution

The fourth proportional to 21,655.02, 32,477.22 and 8,325.30 is: 12,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.02 : 32,477.22 = 8,325.30 : x
  2. Step 2: Convert to fraction form
    21,655.02/32,477.22 = 8,325.30/x
  3. Step 3: Cross multiply
    21,655.02x = 32,477.22 × 8,325.30
  4. Step 4: Simplify right side
    21,655.02x = 270,382,599.67
  5. Step 5: Solve for x
    x = 270,382,599.67/21,655.02
  6. Step 6: Final answer
    x = 12,485.91

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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.