Home / 15,654.16-23,475.66-5,121.64

Finding the Fourth Proportional to 15,654.16, 23,475.66 and 5,121.64

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Solution

The fourth proportional to 15,654.16, 23,475.66 and 5,121.64 is: 7,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654.16 : 23,475.66 = 5,121.64 : x
  2. Step 2: Convert to fraction form
    15,654.16/23,475.66 = 5,121.64/x
  3. Step 3: Cross multiply
    15,654.16x = 23,475.66 × 5,121.64
  4. Step 4: Simplify right side
    15,654.16x = 120,233,879.28
  5. Step 5: Solve for x
    x = 120,233,879.28/15,654.16
  6. Step 6: Final answer
    x = 7,680.63

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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.