Home / 21,459.06-32,184.90-5,876.64

Finding the Fourth Proportional to 21,459.06, 32,184.90 and 5,876.64

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Solution

The fourth proportional to 21,459.06, 32,184.90 and 5,876.64 is: 8,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.06 : 32,184.90 = 5,876.64 : x
  2. Step 2: Convert to fraction form
    21,459.06/32,184.90 = 5,876.64/x
  3. Step 3: Cross multiply
    21,459.06x = 32,184.90 × 5,876.64
  4. Step 4: Simplify right side
    21,459.06x = 189,139,070.74
  5. Step 5: Solve for x
    x = 189,139,070.74/21,459.06
  6. Step 6: Final answer
    x = 8,813.95

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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.