Home / 15,066.37-22,577.91-8,478.64

Finding the Fourth Proportional to 15,066.37, 22,577.91 and 8,478.64

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Solution

The fourth proportional to 15,066.37, 22,577.91 and 8,478.64 is: 12,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.37 : 22,577.91 = 8,478.64 : x
  2. Step 2: Convert to fraction form
    15,066.37/22,577.91 = 8,478.64/x
  3. Step 3: Cross multiply
    15,066.37x = 22,577.91 × 8,478.64
  4. Step 4: Simplify right side
    15,066.37x = 191,429,967.27
  5. Step 5: Solve for x
    x = 191,429,967.27/15,066.37
  6. Step 6: Final answer
    x = 12,705.78

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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.