Home / 14,810.61-20,438.62-8,845.77

Finding the Fourth Proportional to 14,810.61, 20,438.62 and 8,845.77

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Solution

The fourth proportional to 14,810.61, 20,438.62 and 8,845.77 is: 12,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.61 : 20,438.62 = 8,845.77 : x
  2. Step 2: Convert to fraction form
    14,810.61/20,438.62 = 8,845.77/x
  3. Step 3: Cross multiply
    14,810.61x = 20,438.62 × 8,845.77
  4. Step 4: Simplify right side
    14,810.61x = 180,795,331.64
  5. Step 5: Solve for x
    x = 180,795,331.64/14,810.61
  6. Step 6: Final answer
    x = 12,207.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.