Home / 15,636.69-21,577.93-8,562.96

Finding the Fourth Proportional to 15,636.69, 21,577.93 and 8,562.96

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Solution

The fourth proportional to 15,636.69, 21,577.93 and 8,562.96 is: 11,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.69 : 21,577.93 = 8,562.96 : x
  2. Step 2: Convert to fraction form
    15,636.69/21,577.93 = 8,562.96/x
  3. Step 3: Cross multiply
    15,636.69x = 21,577.93 × 8,562.96
  4. Step 4: Simplify right side
    15,636.69x = 184,770,930.07
  5. Step 5: Solve for x
    x = 184,770,930.07/15,636.69
  6. Step 6: Final answer
    x = 11,816.50

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1.5x scale

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.