Home / 27,321.42-40,965.15-11,518.32

Finding the Fourth Proportional to 27,321.42, 40,965.15 and 11,518.32

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Solution

The fourth proportional to 27,321.42, 40,965.15 and 11,518.32 is: 17,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.42 : 40,965.15 = 11,518.32 : x
  2. Step 2: Convert to fraction form
    27,321.42/40,965.15 = 11,518.32/x
  3. Step 3: Cross multiply
    27,321.42x = 40,965.15 × 11,518.32
  4. Step 4: Simplify right side
    27,321.42x = 471,849,706.55
  5. Step 5: Solve for x
    x = 471,849,706.55/27,321.42
  6. Step 6: Final answer
    x = 17,270.32

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1.5x scale

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.