Home / 15,725.20-23,590.32-5,192.24

Finding the Fourth Proportional to 15,725.20, 23,590.32 and 5,192.24

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Solution

The fourth proportional to 15,725.20, 23,590.32 and 5,192.24 is: 7,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.20 : 23,590.32 = 5,192.24 : x
  2. Step 2: Convert to fraction form
    15,725.20/23,590.32 = 5,192.24/x
  3. Step 3: Cross multiply
    15,725.20x = 23,590.32 × 5,192.24
  4. Step 4: Simplify right side
    15,725.20x = 122,486,603.12
  5. Step 5: Solve for x
    x = 122,486,603.12/15,725.20
  6. Step 6: Final answer
    x = 7,789.19

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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.