Home / 15,540.16-23,295.36-5,146.24

Finding the Fourth Proportional to 15,540.16, 23,295.36 and 5,146.24

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Solution

The fourth proportional to 15,540.16, 23,295.36 and 5,146.24 is: 7,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.16 : 23,295.36 = 5,146.24 : x
  2. Step 2: Convert to fraction form
    15,540.16/23,295.36 = 5,146.24/x
  3. Step 3: Cross multiply
    15,540.16x = 23,295.36 × 5,146.24
  4. Step 4: Simplify right side
    15,540.16x = 119,883,513.45
  5. Step 5: Solve for x
    x = 119,883,513.45/15,540.16
  6. Step 6: Final answer
    x = 7,714.43

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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.