Home / 22,608.19-31,199.15-12,536.64

Finding the Fourth Proportional to 22,608.19, 31,199.15 and 12,536.64

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Solution

The fourth proportional to 22,608.19, 31,199.15 and 12,536.64 is: 17,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.19 : 31,199.15 = 12,536.64 : x
  2. Step 2: Convert to fraction form
    22,608.19/31,199.15 = 12,536.64/x
  3. Step 3: Cross multiply
    22,608.19x = 31,199.15 × 12,536.64
  4. Step 4: Simplify right side
    22,608.19x = 391,132,511.86
  5. Step 5: Solve for x
    x = 391,132,511.86/22,608.19
  6. Step 6: Final answer
    x = 17,300.48

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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.