Home / 23,211.42-32,030.83-12,600.78

Finding the Fourth Proportional to 23,211.42, 32,030.83 and 12,600.78

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Solution

The fourth proportional to 23,211.42, 32,030.83 and 12,600.78 is: 17,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.42 : 32,030.83 = 12,600.78 : x
  2. Step 2: Convert to fraction form
    23,211.42/32,030.83 = 12,600.78/x
  3. Step 3: Cross multiply
    23,211.42x = 32,030.83 × 12,600.78
  4. Step 4: Simplify right side
    23,211.42x = 403,613,442.05
  5. Step 5: Solve for x
    x = 403,613,442.05/23,211.42
  6. Step 6: Final answer
    x = 17,388.57

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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.