Home / 15,636.08-21,577.76-8,562.64

Finding the Fourth Proportional to 15,636.08, 21,577.76 and 8,562.64

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Solution

The fourth proportional to 15,636.08, 21,577.76 and 8,562.64 is: 11,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.08 : 21,577.76 = 8,562.64 : x
  2. Step 2: Convert to fraction form
    15,636.08/21,577.76 = 8,562.64/x
  3. Step 3: Cross multiply
    15,636.08x = 21,577.76 × 8,562.64
  4. Step 4: Simplify right side
    15,636.08x = 184,762,590.89
  5. Step 5: Solve for x
    x = 184,762,590.89/15,636.08
  6. Step 6: Final answer
    x = 11,816.43

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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.