Home / 15,736.11-23,587.64-7,928.55

Finding the Fourth Proportional to 15,736.11, 23,587.64 and 7,928.55

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Solution

The fourth proportional to 15,736.11, 23,587.64 and 7,928.55 is: 11,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.11 : 23,587.64 = 7,928.55 : x
  2. Step 2: Convert to fraction form
    15,736.11/23,587.64 = 7,928.55/x
  3. Step 3: Cross multiply
    15,736.11x = 23,587.64 × 7,928.55
  4. Step 4: Simplify right side
    15,736.11x = 187,015,743.48
  5. Step 5: Solve for x
    x = 187,015,743.48/15,736.11
  6. Step 6: Final answer
    x = 11,884.50

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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.