Home / 22,536.18-31,100.16-12,464.64

Finding the Fourth Proportional to 22,536.18, 31,100.16 and 12,464.64

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Solution

The fourth proportional to 22,536.18, 31,100.16 and 12,464.64 is: 17,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.18 : 31,100.16 = 12,464.64 : x
  2. Step 2: Convert to fraction form
    22,536.18/31,100.16 = 12,464.64/x
  3. Step 3: Cross multiply
    22,536.18x = 31,100.16 × 12,464.64
  4. Step 4: Simplify right side
    22,536.18x = 387,652,298.34
  5. Step 5: Solve for x
    x = 387,652,298.34/22,536.18
  6. Step 6: Final answer
    x = 17,201.33

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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.