Home / 12,564.98-18,825.87-9,790.58

Finding the Fourth Proportional to 12,564.98, 18,825.87 and 9,790.58

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Solution

The fourth proportional to 12,564.98, 18,825.87 and 9,790.58 is: 14,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.98 : 18,825.87 = 9,790.58 : x
  2. Step 2: Convert to fraction form
    12,564.98/18,825.87 = 9,790.58/x
  3. Step 3: Cross multiply
    12,564.98x = 18,825.87 × 9,790.58
  4. Step 4: Simplify right side
    12,564.98x = 184,316,186.30
  5. Step 5: Solve for x
    x = 184,316,186.30/12,564.98
  6. Step 6: Final answer
    x = 14,669.04

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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.